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Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-K11-236-4

Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts

$71195
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Chevy Big Block 396-454ci 1965-96
    Xtreme Marine Hyd. Flat Tappet Cam Complete Kit
    Chevy Big Block 396-454ci 1965-96
    Lift: .544"/.547"
    Duration: 270°/286°
    Lobe Separation Angle: 112°
    RPM Range: 1600-5800

    *Note: In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16' wide x 7/64' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.

    Jet with 'A' impeller, strong mid-range good throttle response, noticeable idle.

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    Part TypeCamshaft Kit
    BrandCOMP CAMS
    Package Height5.1
    Package Width10.2
    Package Length25.5
    Weight25.48 PG
    Part CategoryPerformance Parts
    Exh. Duration @ .050 In. (Deg)236
    Cam StyleHydraulic flat tappet
    Grind NumberCB XM 270H-12
    Exh. Duration Advertised (Deg)286
    Locks IncludedYes
    Engine Make/SizeChevy Big Block (396-454)
    Retainers IncludedYes
    Intake Valve Lift With Factory Rocker Arm Ratio (I0.544
    Int. Duration @ .050 In. (Deg)226
    Assembly Lubricant IncludedYes
    Basic Operating Rpm Range1,600-5,800
    Pushrods IncludedNo
    Gaskets IncludedNo
    Rocker Arms IncludedNo
    Intake Valve Lift0.544 in (13.818 mm)
    Computer-Controlled CompatibleNo
    Int. Duration Advertised (Deg)270
    Lobe Separation (Deg)112
    Rpm Range1600-5800
    Lifter StyleHydraulic flat tappet
    Advertised Duration270 int./286 exh.
    Exhaust Valve Lift With Factory Rocker Arm Ratio (0.547
    Valve Springs IncludedYes
    UsageMarine
    Valve Lift With Factory Rocker Arm Ratio0.544 int./0.547 exh.
    QuantitySold as a kit
    Valve Stem Seals IncludedYes
    Exhaust Valve Lift0.547 in (13.894 mm)
    Advertised Intake Duration270
    Outside Diameter Of Outer Spring1.525 in (38.7 mm)
    Intake Duration At 050 Inch Lift226
    Exhaust Duration At 050 Inch Lift236
    Timing Chain StyleDouble non-roller
    Timing Chain And Gears IncludedYes
    Advertised Exhaust Duration286
    Lifter TypeHydraulic Flat Tappet
    Duration At 050 Inch Lift226 int./236 exh.
    Valve Springs RequiredNo
    Lifters IncludedYes
    Vendor Part NumberK11-236-4
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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    Operating Range:1600-5800 RPM
    Duration Advertised:270° Intake / 286° Exhaust
    Duration @ .050' Lift:226° Intake / 236° Exhaust
    Valve Lift w/1.7 Rockers:.544' Intake / .547' Exhaust
    Lobe Separation Angle:112°