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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK12-234-2
Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Small Kit Lift: .447"/.454" Duration: 256°/268° RPM Range: 1000-5200
$38195
Ships on 09/15/2026
Lowest Price GuaranteeChevy 262-400ci Small Block 1955-98
- Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Small Kit
Lift: .447"/.454''
Duration: 256°/268°
RPM Range: 1000-5200
Strong torque thru low end & mid-range, good idle
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
Strong torque thru low end and mid-range, good 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 Height5.2
Package Width10.4
Package Length25.3
Weight17.31 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberCS XE256H-10
Exh. Duration Advertised (Deg)268
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.447
Int. Duration @ .050 In. (Deg)212
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,000-5,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.447 in (11.354 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)256
Lobe Separation (Deg)110
Rpm Range1000-5200
Lifter StyleHydraulic flat tappet
Advertised Duration256 int./268 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.454
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.447 int./0.454 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.454 in (11.532 mm)
Advertised Intake Duration256
Intake Duration At 050 Inch Lift212
Exhaust Duration At 050 Inch Lift218
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration268
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift212 int./218 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK12-234-2
Package Qty1
Package TypeEA
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