COMP Cams Magnum 253/253 Hydraulic Flat Cam for Oldsmobile 260-455 42-237-4

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Specifications:

BrandCOMP Cams
Part Number42-237-4
GTIN00036584611936
Camshaft Gear Attachment1
Lifter TypeHydraulic Flat Tappet
Grind Number305h
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 Range3,000-6800
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 UpgradeCl42-237-4
Camshaft MaterialCast Iron
Camshaft SeriesMagnum
Engine FamilyOldsmobile 260-455 C.i. 8 Cylinder (1967-1990)
K-kit UpgradeK42-237-4
Lifters IncludedNo
Sk-kit UpgradeSk42-237-4
UsageStreet/strip

Hydraulic: Pro street / bracket Race cam, good for large engines with 3500 stall and low Gears. Radical idle.