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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK11-456-8
Xtreme Marine XM296HR Retro-Fit Hydraulic Roller Camshaft Small Kit Lift: .566"/.566" Duration: 296°/302° RPM Range: 2800-6200
$1,30995
Ships on 10/23/2026
Lowest Price GuaranteeChevrolet 396-454 c.i. 8 CYL. 1965-1996 Retro-Fit
- Xtreme Marine XM296HR Retro-Fit Hydraulic Roller Camshaft Small Kit
- Good for jet boat with A or B impeller in Bracket Racing or performance use
Installation Notes:
- Stock springs cannot be used
- Requires thrust button & wear plate
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Good for jet boat with A or B impeller in bracket racing or performance use.
Lift: .566"/.566"
Duration: 296°/302°
RPM Range: 2800-6200
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
Weight21.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)248
Cam StyleHydraulic roller tappet
Grind NumberCB XM 296HR-12
Exh. Duration Advertised (Deg)302
Locks IncludedNo
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.566
Int. Duration @ .050 In. (Deg)242
Assembly Lubricant IncludedNo
Basic Operating Rpm Range2,800-6,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.566 in (14.376 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)296
Lobe Separation (Deg)112
Rpm Range2800-6200
Lifter StyleHydraulic roller
Advertised Duration296 int./302 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.566
Valve Springs IncludedNo
UsageMarine
Valve Lift With Factory Rocker Arm Ratio0.566 int./0.566 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.566 in (14.376 mm)
Advertised Intake Duration296
Intake Duration At 050 Inch Lift242
Exhaust Duration At 050 Inch Lift248
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration302
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift242 int./248 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK11-456-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
