COMP Cams Mutha' Thumpr 235/249 Hydraulic Roller Cam for Ford 221-302 31-601-8

Specifications:

• BrandCOMP Cams
• Part Number31-601-8
• GTIN00036584212058
• Camshaft Gear Attachment1
• Lifter TypeHydraulic Roller
• Grind Number291thr7
• Exhaust Valve Lift0.526 in
• Intake Valve Lift0.54 in
• Valve Springs RequiredYes
• Exhaust Duration At .050 Inch Lift249 dd
• Intake Duration At .050 Inch Lift235 dd
• Advertised Exhaust Duration311 dd
• Advertised Intake Duration291 dd
• Cam TypeHydraulic Roller
• Lobe Separation107 dd
• Assembly Lubricant IncludedNo
• Basic Operating Rpm Range2,200-5,900
• 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 UpgradeCl31-601-8
• Camshaft MaterialAustempered Ductile Iron
• Camshaft SeriesThumpr
• Engine FamilyFord 221, 260, 289, 302 C.i. 8 Cylinder (1963-1995)
• K-kit UpgradeK31-601-8
• Lifters IncludedNo
• UsageStreet/strip