COMP Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshaft
249-CL12-231-2
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Chevy 262-400ci Small Block 1955-98
*Note: In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.Very strong torque, smooth idle, excellent mileage.
Operating Range: 600-4600 RPM Duration Advertised: 250° Intake / 258° Exhaust Duration @ .050'' Lift: 206° Intake / 214° Exhaust Valve Lift w/1.5 Rockers: .432'' Intake / .453'' Exhaust Lobe Separation Angle: 111° 265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
Very strong torque, smooth idle, excellent mileage.Specifications:
Part TypeAdvertised Duration250 int./258 exh.Advertised Exhaust Duration258Advertised Intake Duration250Assembly Lubricant IncludedYesBasic Operating RPM Range600-4,600Cam StyleHydraulic flat tappetComputer-Controlled CompatibleNoDuration at 050 inch Lift206 int./214 exh.Engine Make/SizeChevy Small Block (262-400)Exh. Duration @ .050 in. (Deg)214Exh. Duration Advertised (Deg)258Exhaust Duration at 050 inch Lift214Exhaust Valve Lift0.453 in (11.506 mm)Exhaust Valve Lift with Factory Rocker Arm Ratio (0.453Gaskets IncludedNoGrind NumberCS X4 250H-11Int. Duration @ .050 in. (Deg)206Int. Duration Advertised (Deg)250Intake Duration at 050 inch Lift206Intake Valve Lift0.432 in (10.973 mm)Intake Valve Lift with Factory Rocker Arm Ratio (i0.432Lifter StyleHydraulic flat tappetLifter TypeHydraulic Flat TappetLifters IncludedYesLobe Separation (Deg)111Locks IncludedNoPackage Depth2.50Package Height26.00Package Width5.50Part CategoryPerformance PartsPushrods IncludedNoQuantitySold as a kitRPM Range600-4600Retainers IncludedNoRocker Arms IncludedNoShipping Weight13.50Timing Chain and Gears IncludedNoUsageStreet/PerformanceValve Lift with Factory Rocker Arm Ratio0.432 int./0.453 exh.Valve Springs IncludedNoValve Springs RequiredYesValve Stem Seals IncludedNoVendor Part NumberCL12-231-2 - Overview
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