Orbital Parts is not a corporate affiliate of Edelbrock Group.

Free shipping over C$100
Toggle Nav
Cart 0 Shopping Cart Cart
COMP CamsMore from COMP Cams

COMP Cams Thumpr 4/7 Swap 227/241 Hydraulic Roller Cam for Chevrolet 348-409

Part # 48-600-10

Description

Thumpr 4/7 Swap 227/241 Hydraulic Roller Cam

Specifications

Advertised Exhaust Duration303 deg
Advertised Intake Duration280 deg
Assembly Lubricant IncludedNo
Basic Operating RPM Range2,000-5,800 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 Roller
Camshaft Gear Attachment3-Bolt
Camshaft MaterialBillet Steel
Camshaft SeriesThumpr 4 and 7 Swap Firing Order
Engine FamilyChevrolet 348-409 c.i. 8 Cylinder (1958-1965)
Exhaust Duration at .050 inch Lift241 deg
Exhaust Valve Lift0.546 in
Grind Number47S 283THR-8
Intake Duration at .050 Inch Lift227 deg
Intake Valve Lift0.564 in
Lifter TypeHydraulic Roller
Lifters IncludedNo
Lobe Separation108 deg
Valve Springs RequiredYes
UPC / GTIN00036584267751