COMP Cams Magnum/Drag Race 253/253 Hydraulic Flat Cam for Ford 221-302 31-331-4

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Specifications:

BrandCOMP Cams
Part Number31-331-4
GTIN00036584611158
Camshaft Gear Attachment1
Lifter TypeHydraulic Flat Tappet
Grind Number305ah-10
Exhaust Valve Lift0.54 in
Intake Valve Lift0.54 in
Valve Springs RequiredYes
Exhaust Duration At .050 Inch Lift253 dd
Intake Duration At .050 Inch Lift253 dd
Advertised Exhaust Duration305 dd
Advertised Intake Duration305 dd
Cam TypeHydraulic Flat Tappet
Lobe Separation110 dd
Assembly Lubricant IncludedYes
Basic Operating Rpm Range3,000-7000
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 UpgradeCl31-331-4
Camshaft MaterialCast Iron
Camshaft SeriesMagnum
Engine FamilyFord 221, 260, 289, 302 C.i. 8 Cylinder (1963-1995)
K-kit UpgradeK31-331-4
Lifters IncludedNo
Sk-kit UpgradeSk31-331-4
UsageStreet/strip

Hydraulic: Limited street use or bracket race. 11:1 compression, 4000 stall, 4:10 or lower with good intake and exhaust. Radical idle.