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COMP Cams Thumpr 227/241 Hydraulic Roller Cam for Oldsmobile 260-455

Part # 42-600-11SKU COM42-600-11

Universal fit

Specifications
BrandCOMP Cams
Part typeEngine Camshaft
Advertised Exhaust Duration303 deg
Advertised Intake Duration283 deg
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,700-5,500 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 and Lifter Kit UpgradeCL42-600-11
Cam TypeHydraulic Roller
Camshaft Gear Attachment1-Bolt
Camshaft MaterialBillet Steel
Camshaft SeriesThumpr
Engine FamilyOldsmobile 260-455 c.i. 8 Cylinder (1967-1990)
Exhaust Duration at .050 inch Lift241 deg
Exhaust Valve Lift0.515 in
Grind Number283THR7
Intake Duration at .050 Inch Lift227 deg
Intake Valve Lift0.531 in
K-Kit UpgradeK42-600-11
Lifter TypeHydraulic Roller
Lifters IncludedNo
Lobe Separation107 deg
UsageStreet/Performance
Valve Springs RequiredYes
UPC / GTIN00036584312963

Description

Thumpr 227/241 Hydraulic Roller Cam