Comp Cams 'Xtreme Energy' Hydraulic Roller Camshafts
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COMP CAMSPART NUMBER: 249-K35-426-8

Comp Cams 'Xtreme Energy' Hydraulic Roller Camshafts

$1,27595
ShippingShips on 09/10/2026
Lowest PriceLowest Price Guarantee

Ford 351W 8 cyl. 1969-1996
  • For engines NOT originally equipped with a hydraulic roller camshaft.
    • Xtreme Energy XR288RF-HR Retro Fit Hydraulic Roller Camshaft Complete Kit
      Lift: .555"/.576"
      Duration: 288/294
      Lobe Separation Angle: 110°
      RPM Range: 2200-6200

    • Produces Better Throttle Response
    • Produces Top Engine Horsepower
    • Delivers Increased Engine Vacuum
    • 1 Year Limited Warranty

      Ford, 351W, Windsor, 351 Windsor, 302, 5.0 HO, Explorer, Mutang, Ford Mustang, 408, 347, Fox Body Mustang, Fox Body, 302 HO, Cougar, F100, F150


      Street/strip, 9:1+ compression, intake, headers, 2800+ converter and 3.73+ gears, rough 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 Height5.3
    Package Width10.8
    Package Length25.5
    Weight26.05 PG
    Part CategoryPerformance Parts
    Exh. Duration @ .050 In. (Deg)240
    Cam StyleHydraulic roller tappet
    Grind NumberXR288RFHR
    Exh. Duration Advertised (Deg)296
    Locks IncludedYes
    Engine Make/SizeFord 351W
    Retainers IncludedYes
    Intake Valve Lift With Factory Rocker Arm Ratio (I0.555
    Int. Duration @ .050 In. (Deg)236
    Assembly Lubricant IncludedNo
    Basic Operating Rpm Range2,200-6,200
    Pushrods IncludedNo
    Gaskets IncludedNo
    Rocker Arms IncludedNo
    Intake Valve Lift0.553 in (14.046 mm)
    Computer-Controlled CompatibleNo
    Int. Duration Advertised (Deg)288
    Lobe Separation (Deg)110
    Rpm Range2200-6200
    Lifter StyleHydraulic roller
    Advertised Duration288 int./294 exh.
    Exhaust Valve Lift With Factory Rocker Arm Ratio (0.576
    Valve Springs IncludedYes
    UsageStreet/Performance
    Valve Lift With Factory Rocker Arm Ratio0.555 int./0.576 exh.
    QuantitySold as a kit
    Valve Stem Seals IncludedYes
    Exhaust Valve Lift0.576 in (14.63 mm)
    Advertised Intake Duration288
    Outside Diameter Of Outer Spring1.43 in (36.3 mm)
    Intake Duration At 050 Inch Lift236
    Exhaust Duration At 050 Inch Lift240
    Timing Chain And Gears IncludedYes
    Advertised Exhaust Duration294
    Lifter TypeHydraulic Roller
    Part FitmentSemi Universal
    Duration At 050 Inch Lift236 int./240 exh.
    Valve Springs RequiredNo
    Lifters IncludedYes
    Vendor Part NumberK35-426-8
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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