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COMP Cams Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Oldsmobile 260-455

Part # 42-602-11

Description

Big Mutha' Thumpr 243/257 Hydraulic Roller Cam

Specifications

Assembly Lubricant IncludedNo
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 UpgradeCL42-602-11
Camshaft Gear Attachment1-Bolt
Camshaft MaterialBillet Steel
Camshaft SeriesThumpr
Engine FamilyOldsmobile 260-455 c.i. 8 Cylinder (1967-1990)
Grind Number299THR7
K-Kit UpgradeK42-602-11
Lifters IncludedNo
Lobe Separation107 deg
Valve Springs RequiredYes
UPC / GTIN00036584312987