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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK11-318-4
Magnum 286H Hydraulic Flat Tappet Camshaft Small Kit Lift: .556" /.556" Duration: 286°/286° RPM Range: 2200-6200
$46395
Ships on 10/23/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96
- Magnum 286H Hydraulic Flat Tappet Camshaft Small Kit
- Needs 9.5:1 compression, 2800 stall, headers, and lower gears
- Choppy idle
Installation Note: Stock springs cannot be used
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Needs 9.5:1 compression, 2800+ stall, headers and lower gears. Choppy idle.
Lift: .556''/.556"
Duration: 286°/286°
RPM Range: 2200-6200
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 Height5.2
Package Width10.3
Package Length25.3
Weight19.35 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic flat tappet
Grind NumberCB 286H-10
Exh. Duration Advertised (Deg)286
Locks IncludedNo
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.556
Int. Duration @ .050 In. (Deg)236
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,200-6,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.556 in (14.122 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)286
Lobe Separation (Deg)110
Rpm Range2200-6200
Lifter StyleHydraulic flat tappet
Advertised Duration286 int./286 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.556
Valve Springs IncludedNo
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.556 int./0.556 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.556 in (14.122 mm)
Advertised Intake Duration286
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift236
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration286
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift236 int./236 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK11-318-4
Package Qty1
Package TypeEA
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