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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK12-432-8
Comp Cams Xtreme Energy Hydraulic Roller Camshafts
$1,27695
Ships on 10/19/2026
Lowest Price GuaranteeChevy 262-400ci Small Block 1955-98
For engines NOT originally equipped with a hydraulic roller camshaft.
For engines NOT originally equipped with a hydraulic roller camshaft.
- Xtreme Energy™ XR282HR Retro-Fit Hydraulic Roller Camshaft Small Kit
Lift: .510''/.520''
Duration: 282°/288°
Lobe Separation Angle: 110°
RPM Range: 2200-5800
Great for Street Machines, needs intake, headers, 2000 stall, and gears.
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.
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Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight20.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic roller tappet
Grind NumberXR282HR
Exh. Duration Advertised (Deg)288
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
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 IncludedNo
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 IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.510 int./0.520 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.52 in (13.208 mm)
Advertised Intake Duration282
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift236
Timing Chain StyleDouble 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 RequiredYes
Lifters IncludedYes
Vendor Part NumberSK12-432-8
Package Qty1
Package TypeEA
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