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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK12-250-3
Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Small Kit Lift: .507"/.510" Duration: 284°/296° RPM Range: 2300-6500
$44695
Ships on 10/26/2026
Lowest Price GuaranteeChevy 262-400ci Small Block 1955-98
- Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Small Kit
Lift: .507"/.510''
Duration: 284°/296°
RPM Range: 2300-6500
Street / Strip, 2800+ stall, likes headers & gears, rough 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
Street/strip, 2800+ stall, likes headers and 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.
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Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.5
Package Width10.8
Package Length25.3
Weight17.25 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)246
Cam StyleHydraulic flat tappet
Grind NumberCS XE284H-10
Exh. Duration Advertised (Deg)296
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.507
Int. Duration @ .050 In. (Deg)240
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,300-6,500
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.507 in (12.878 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)284
Lobe Separation (Deg)110
Rpm Range2300-6500
Lifter StyleHydraulic flat tappet
Advertised Duration284 int./296 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.51
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.507 int./0.510 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.51 in (12.954 mm)
Advertised Intake Duration284
Intake Duration At 050 Inch Lift240
Exhaust Duration At 050 Inch Lift246
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration296
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift240 int./246 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK12-250-3
Package Qty1
Package TypeEA
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