COMP Cams Thumpr 227/241 Hydraulic Roller Cam for Pontiac 265-455 51-600-11

Specifications:

• BrandCOMP Cams
• Part Number51-600-11
• GTIN00036584313021
• Camshaft Gear Attachment1
• Lifter TypeHydraulic Roller
• Grind Number283thr7
• Exhaust Valve Lift0.498 in
• Intake Valve Lift0.513 in
• Valve Springs RequiredYes
• Exhaust Duration At .050 Inch Lift241 dd
• Intake Duration At .050 Inch Lift227 dd
• Advertised Exhaust Duration303 dd
• Advertised Intake Duration283 dd
• Cam TypeHydraulic Roller
• Lobe Separation107 dd
• Assembly Lubricant IncludedNo
• Basic Operating Rpm Range1,700-5,500
• 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 UpgradeCl51-600-11
• Camshaft MaterialBillet Steel
• Camshaft SeriesThumpr
• Engine FamilyPontiac 265-455 C.i. 8 Cylinder (1955-1981)
• K-kit UpgradeK51-600-11
• Lifters IncludedNo
• UsageStreet/performance