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COMP CamsMore from COMP Cams

COMP Cams Drag Race 228/236 Hydraulic Flat Cam for Pontiac 265-455

Part # 51-309-4

Description

Hydraulic: Bracket Race with heavy car. 2500-3000 stall 9.5 compression, more Gear, choppy idle.

Specifications

Advertised Exhaust Duration284 deg
Advertised Intake Duration276 deg
Amazon ASINB001G8RCGK
Assembly Lubricant IncludedYes
Basic Operating RPM Range2,000-6,000 RPM
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?No
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?Yes, but must be a race/competition only vehicle.
Cam TypeHydraulic Flat Tappet
Camshaft Gear Attachment1-Bolt
Camshaft MaterialCast Iron
Camshaft SeriesDrag Race
Engine FamilyPontiac 265-455 C.I. 8 Cylinder (1955-1981)
Exhaust Duration at .050 inch Lift236 deg
Exhaust Valve Lift0.52 in
Grind Number276AH-10
Intake Duration at .050 Inch Lift228 deg
Intake Valve Lift0.52 in
Lifter TypeHydraulic Flat Tappet
Lifters IncludedNo
Lobe Separation110 deg
UsageStreet/Strip
Valve Springs RequiredYes
UPC / GTIN00036584612155