COMP Cams Drag Race 246/253 Hydraulic Flat Cam for Pontiac 265-455 51-316-4

Specifications:

• BrandCOMP Cams
• Part Number51-316-4
• GTIN00036584612186
• Camshaft Gear Attachment1
• Lifter TypeHydraulic Flat Tappet
• Grind Number296ah-8
• Exhaust Valve Lift0.577 in
• Intake Valve Lift0.562 in
• Valve Springs RequiredYes
• Exhaust Duration At .050 Inch Lift253 dd
• Intake Duration At .050 Inch Lift246 dd
• Advertised Exhaust Duration305 dd
• Advertised Intake Duration296 dd
• Cam TypeHydraulic Flat Tappet
• Lobe Separation108 dd
• Assembly Lubricant IncludedYes
• Basic Operating Rpm Range3,000-6,000
• 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.
• Camshaft MaterialCast Iron
• Camshaft SeriesDrag Race
• Engine FamilyPontiac 265-455 C.i. 8 Cylinder (1955-1981)
• Lifters IncludedNo
• UsageStreet/strip