Which vehicles does the Edelbrock 2162 fit?

Fits 1963 to 1989 Chevrolet Bel Air, Biscayne, Blazer and 39 more models, and 2 more makes.

How much is shipping and when does it ship?

Free shipping, ships Monday, November 16. Ground shipping in Canada is free on orders of $100 and up, $9.99 under that.

Edelbrock Performer-Plus Camshaft Kit for Big-Block Chevy 396-427-454 V8

Part # 2162

Price C$455.99

Availability: Free shipping, ships Monday, November 16

Description

Edelbrock Performer-Plus Camshaft #2162 is designed for 396-427-454 Chevy V8 engines and produces optimum torque from the low-end to the mid-range. Performer-Plus camshafts should be matched with Performer manifolds for vehicles operating from off-idle to 5500 rpm. The Performer-Plus #2162 is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. This cam produced 470 Ft Lbs of Torque when paired with Performer 2-0 intake manifold #2161 and stock cylinder heads. Not for 1965-66 big-block Chevrolets requiring a grooved rear cam journal. Camshaft specifications: - Intake duration: 218 Degrees - Exhaust duration: 228 Degrees - Intake lift: .500" - Exhaust lift: .500" - Lobe separation: 114 Degree - Intake Center Line: 109 Degree - Vacuum: 15"

Specifications

Advertised Exhaust Duration	302 deg
Advertised Intake Duration	292 deg
Cam Type	Cast
Computer Controlled Compatible	Yes
Exhaust Duration at .050 inch Lift	228 deg
Exhaust Valve Lift	0.500 in
Grade Type	Performance
Intake Duration .050 Inch Lift	218 deg
Intake Valve Lift	0.500 in
Lifter Materials	Hardened Steel
Lifter Type	Hydraulic
Lobe Separation	114 deg
UPC / GTIN	00085347021628

Fits these vehicles

Filter the vehicles

Year	Make	Model	Engine	Note
1963	Chevrolet	Bel Air	7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1965	Chevrolet	Bel Air	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1966 - 1969	Chevrolet	Bel Air	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970 - 1974	Chevrolet	Bel Air	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975	Chevrolet	Bel Air	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle
1963	Chevrolet	Biscayne	7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1965	Chevrolet	Biscayne	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1966 - 1967	Chevrolet	Biscayne	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968	Chevrolet	Biscayne	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 I ntake And Stock Heads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1969	Chevrolet	Biscayne	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970 - 1972	Chevrolet	Biscayne	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	Blazer	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1969	Chevrolet	Brookwood	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970 - 1972	Chevrolet	Brookwood	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975	Chevrolet	C10	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1976 - 1979	Chevrolet	C10	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle
1980	Chevrolet	C10	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle
1968 - 1969	Chevrolet	C10 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	C10 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	C10 Suburban	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1980	Chevrolet	C10 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1986	Chevrolet	C20	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	C20 Pickup	6.5L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	C20 Pickup	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	C20 Suburban	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	C20 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.
1975 - 1986	Chevrolet	C20 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1986	Chevrolet	C30	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	C30 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	C30 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1967 - 1968	Chevrolet	Camaro	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1969	Chevrolet	Camaro	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1966 - 1969	Chevrolet	Caprice	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970 - 1974	Chevrolet	Caprice	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1976	Chevrolet	Caprice	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1965 - 1969	Chevrolet	Chevelle	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970 - 1973	Chevrolet	Chevelle	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968	Chevrolet	Chevy II	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1965	Chevrolet	Corvette	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1966 - 1969	Chevrolet	Corvette	7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970 - 1974	Chevrolet	Corvette	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1966 - 1967	Chevrolet	El Camino	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	El Camino	6.5L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970	Chevrolet	El Camino	6.5L V8, 7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1971 - 1975	Chevrolet	El Camino	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1969	Chevrolet	Estate	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.
1970	Chevrolet	Estate	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	G10 Van	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1976	Chevrolet	G20	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	G20 Van	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1976	Chevrolet	G30	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	G30 Van	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1963	Chevrolet	Impala	7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1965	Chevrolet	Impala	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1966 - 1969	Chevrolet	Impala	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.
1970 - 1974	Chevrolet	Impala	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1976	Chevrolet	Impala	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm
1976	Chevrolet	K10	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1980	Chevrolet	K10	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	K10 Pickup	6.5L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973	Chevrolet	K10 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1974	Chevrolet	K10 Pickup	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	K10 Suburban	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	K10 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1976 - 1978	Chevrolet	K20	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	K20 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.
1973 - 1974	Chevrolet	K20 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Chevrolet	K20 Suburban	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	K20 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1985	Chevrolet	K20 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1977	Chevrolet	K30	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1980	Chevrolet	K30	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1981 - 1986	Chevrolet	K30	7.4L V8	Off-Idle to 5500rpm; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.
1968 - 1969	Chevrolet	K30 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	Chevrolet	K30 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1976 - 1978	Chevrolet	K5 Blazer	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm
1969	Chevrolet	Kingswood	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970 - 1972	Chevrolet	Kingswood	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970 - 1974	Chevrolet	Monte Carlo	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975	Chevrolet	Monte Carlo	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle
1969	Chevrolet	Nova	6.5L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970	Chevrolet	Nova	6.5L V8, 7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1971	Chevrolet	Nova	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1987 - 1988	Chevrolet	R30	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1989	Chevrolet	R3500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1969	Chevrolet	Townsman	6.5L V8, 7.0L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970	Chevrolet	Townsman	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1971	Chevrolet	Townsman	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm
1972	Chevrolet	Townsman	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1987 - 1988	Chevrolet	V30	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1989	Chevrolet	V3500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1978	GMC	C15	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1979 - 1980	GMC	C1500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1979	GMC	C1500 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1980	GMC	C1500 Suburban	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	GMC	C15/C1500 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	C15/C1500 Pickup	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	GMC	C15/C1500 Suburban	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	C15/C1500 Suburban	7.4L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1978	GMC	C15 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1978	GMC	C25	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1979 - 1986	GMC	C2500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1979	GMC	C2500 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1980	GMC	C2500 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock He ads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1981 - 1986	GMC	C2500 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	GMC	C25/C2500 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	C25/C2500 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968	GMC	C25/C2500 Suburban	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1969	GMC	C25/C2500 Suburban	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake A nd Stock Heads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	C25/C2500 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1978	GMC	C25 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1978	GMC	C35	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1979 - 1986	GMC	C3500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	GMC	C35/C3500 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	C35/C3500 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1975 - 1976	GMC	G25	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1976	GMC	G35	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	G35/G3500 Van	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973	GMC	Jimmy	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.
1974	GMC	Jimmy	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.
1976	GMC	Jimmy	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1976	GMC	K15	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1980	GMC	K1500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	GMC	K15/K1500 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	K15/K1500 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	GMC	K15/K1500 Suburban	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	K15/K1500 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1976 - 1978	GMC	K25	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	GMC	K25/K2500 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	K25/K2500 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968	GMC	K25/K2500 Suburban	6.5L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm; Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1969	GMC	K25/K2500 Suburban	6.5L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm
1973 - 1974	GMC	K25/K2500 Suburban	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1976 - 1977	GMC	K25 Suburban	7.4L V8	Off-Idle to 5500rpm; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.
1979 - 1986	GMC	K3500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	GMC	K35/K3500 Pickup	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1973 - 1974	GMC	K35/K3500 Pickup	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1987 - 1989	GMC	R3500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1971 - 1975	GMC	Sprint	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1987 - 1989	GMC	V3500	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1968 - 1969	Pontiac	Acadian	6.5L V8	Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Off-Idle to 5500rpm
1970 - 1971	Pontiac	Acadian	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1965 - 1969	Pontiac	Beaumont	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1966 - 1969	Pontiac	Laurentian	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970	Pontiac	Laurentian	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1966 - 1969	Pontiac	Parisienne	6.5L V8	Off-Idle to 5500rpm; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Intake Center Line 109 Deg.; Lobe Seps 114 Deg.; Lift at Valve Int/Exh 0.500 in.; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.
1970	Pontiac	Parisienne	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1965 - 1969	Pontiac	Strato-Chief	6.5L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads
1970	Pontiac	Strato-Chief	7.4L V8	Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Exh 218/228 Deg.; Lift at Valve Int/Exh 0.500 in.; Lobe Seps 114 Deg.; Intake Center Line 109 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Not For 65-66 Chevy Big Block Requiring A Grooved Rear Cam Journal; Idle Vacuum at 1000 RPM - 15 inch; Not Legal For Use On Pollution Controlled Vehicles; For Pre-Pollution Controlled Vehicles Or Engine Swaps; Produces 470 ft.-lbs When Matched w/2161 Intake And Stock Heads