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COMP Cams Mutha' Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit for Pontiac 265-455

Part # CL51-601-5

Description

CL-KIT - Cam and Lifter Kit Includes: Camshaft, Lifters, Assembly Lube, Decals and Instructions.

Specifications

Advertised Exhaust Duration305 deg
Advertised Intake Duration287 deg
Amazon ASINB005H89WCM
Assembly Lubricant IncludedYes
Basic Operating RPM Range2,200-6,100 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 SeriesThumpr
Engine FamilyPontiac 265-455 C.I. 8 Cylinder (1955-1981)
Exhaust Duration at .050 inch Lift249 deg
Exhaust Valve Lift0.475 in
Gaskets IncludedNo
Intake Duration at .050 Inch Lift235 deg
Intake Valve Lift0.49 in
Kit TypeCL-Kit - Cam and Lifter Kit
Lifter TypeHydraulic Flat Tappet
Lifters IncludedYes
Lobe Separation107 deg
Locks IncludedNo
Retainers IncludedNo
Timing Chain and Gears IncludedNo
UsageStreet/Strip
Valve Springs RequiredYes
Valve Stem Seals IncludedNo
UPC / GTIN00036584214946