Comp Cams 'Xtreme Energy' Hydraulic Roller Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-K12-432-8

Comp Cams 'Xtreme Energy' Hydraulic Roller Camshafts

$1,62495
ShippingShips on 10/19/2026
Lowest PriceLowest Price Guarantee

Chevy 262-400ci Small Block 1955-98
For engines NOT originally equipped with a hydraulic roller camshaft.
    Xtreme Energy XR282HR-10 Retro-Fit Hydraulic Roller Camshaft Complete Kit
    Lift: .510"/.520"
    Duration: 282/288
    Lobe Separation Angle: 110°
    RPM Range: 2200-5800

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

    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


    Great for street machines, needs intake, headers, 2500+ stall, and gears. Mildly 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 Width10.5
Package Length25.5
Weight27.45 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic roller tappet
Grind NumberCS XR282HR-10
Exh. Duration Advertised (Deg)288
Locks IncludedYes
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.51
Int. Duration @ .050 In. (Deg)230
Assembly Lubricant IncludedNo
Basic Operating Rpm Range2,200-5,800
Pushrods IncludedYes
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.51 in (12.954 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)282
Lobe Separation (Deg)110
Rpm Range2200-5800
Lifter StyleHydraulic roller
Advertised Duration282 int./288 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.52
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.510 int./0.520 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.52 in (13.208 mm)
Advertised Intake Duration282
Outside Diameter Of Outer Spring1.43 in (36.3 mm)
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift236
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration288
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift230 int./236 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK12-432-8
Package Qty1
Package TypeEA
No Questions
No Reviews

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