'Xtreme 4x4'  Hydraulic Flat Tappet Camshaft
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-CL11-235-3

'Xtreme 4x4' Hydraulic Flat Tappet Camshaft

$38695
ShippingShips on Sep 04, 2026
Lowest PriceLowest Price Guarantee

Chevy 396-454ci Big Block 1965-96
    Xtreme 4x4 X4262H Hydraulic Flat Tappet Camshaft & Lifter Kit
    Lift: .505''/.515''
    Duration: 262°/270°
    Lobe Separation Angle: 111°
    RPM Range: 1400-5400


    *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.

    Great mid-range power, largest cam for stock converter. Good for heavy towing with 4.10 gear.

    Operating Range:1400-5400 RPM
    Duration Advertised:262° Intake / 270° Exhaust
    Duration @ .050' Lift:218° Intake / 226° Exhaust
    Valve Lift w/1.7 Rockers:.505' Intake / .515' Exhaust
    Lobe Separation Angle:111°

    Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572


    Great mid-range power, largest cam for stock converter. Good for heavy towing with 4.10 gear.

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 Height3.0
Package Width5.5
Package Length25.5
Weight14.605 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)226
Cam StyleHydraulic flat tappet
Grind NumberCB X4 262H-11
Exh. Duration Advertised (Deg)270
Locks IncludedNo
Engine Make/SizeChevy Big Block (396-502)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.505
Int. Duration @ .050 In. (Deg)218
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,400-5,400
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.505 in (12.827 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)262
Lobe Separation (Deg)111
Rpm Range1400-5400
Lifter StyleHydraulic flat tappet
Advertised Duration262 int./270 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.515
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.505 int./0.515 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.515 in (13.081 mm)
Advertised Intake Duration262
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift226
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration270
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift218 int./226 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL11-235-3
Package Qty1
Package TypeEA
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