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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK12-556-4
Nitrous HP Hydraulic Flat Tappet Camshaft Small Kit Chevy Small Block 262-400ci 1955-98 Lift: .462"/.480"
$45795
Ships on 10/23/2026
Lowest Price GuaranteeChevy Small Block 262-400ci 1955-98
- Nitrous HP Hydraulic Flat Tappet Camshaft Small Kit
- Lift: .462"/.480"
- Duration: 262°/280°
- Lobe Separation Angle: 113°
- RPM Range: 1600-5900
High performance street. With 100-150 HP nitrous kit or small blower.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
High performance street. With 100-150 hp nitrous kit or small blower.
Chevy Small Block 262-400ci 1955-98
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
Weight19.5 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)230
Cam StyleHydraulic flat tappet
Grind NumberCS NX262H-13
Exh. Duration Advertised (Deg)280
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.462
Int. Duration @ .050 In. (Deg)218
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,600-5,900
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.462 in (11.735 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)262
Lobe Separation (Deg)113
Rpm Range1600-5900
Lifter StyleHydraulic flat tappet
Advertised Duration262 int./280 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.48
Valve Springs IncludedNo
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.462 int./0.480 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.48 in (12.192 mm)
Advertised Intake Duration262
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift230
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration280
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift218 int./230 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK12-556-4
Package Qty1
Package TypeEA
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