COMP Cams Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Chevrolet Big Block 396-454 11-602-8

Specifications:

• BrandCOMP Cams
• Part Number11-602-8
• GTIN00036584150916
• Camshaft Gear Attachment3
• Lifter TypeHydraulic Roller
• Grind Number299thr7
• Exhaust Valve Lift0.554 in
• Intake Valve Lift0.57 in
• Valve Springs RequiredYes
• Exhaust Duration At .050 Inch Lift257 dd
• Intake Duration At .050 Inch Lift243 dd
• Advertised Exhaust Duration319 dd
• Advertised Intake Duration299 dd
• Cam TypeHydraulic Roller
• Lobe Separation107 dd
• Assembly Lubricant IncludedNo
• Basic Operating Rpm Range2,500-6,100
• 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 UpgradeCl11-602-8
• Cam, Lifter And Gear Drive UpgradeGk11-602-8
• Camshaft MaterialAustempered Ductile Iron
• Camshaft SeriesThumpr
• Engine FamilyChevrolet 396-454 C.i. 8 Cylinder (1967-1996)
• K-kit UpgradeK11-602-8
• Lifters IncludedNo
• UsageStreet/strip