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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK12-413-8
Comp Cams Xtreme 4x4 Hydraulic Roller Camshafts
$1,27695
Ships on 10/19/2026
Lowest Price GuaranteeChevy Small Block 262-400ci 1955-98Retro-Fit
- Xtreme 4x4 Retro-Fit Hyd. Roller Cam Small Kit
Chevy Small Block 262-400ci 1955-98
Lift: .474"/.474"
Duration: 270°/274°
Lobe Separation Angle: 111°
RPM Range: 1500-5500
Good mid-range power, needs headers, 3.55-4.10 gears, 2000 stall. Noticeable 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
Good mid-range power, needs headers, 3.55-4.10 gears, 2000+ stall. Noticeable 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 Height5.0
Package Width10.5
Package Length26.0
Weight20.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleHydraulic roller tappet
Grind NumberX4270HR
Exh. Duration Advertised (Deg)274
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.474
Int. Duration @ .050 In. (Deg)220
Assembly Lubricant IncludedNo
Basic Operating Rpm Range1,000-5,000
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.474 in (12.04 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)111
Rpm Range1500-2000
Lifter StyleHydraulic roller
Advertised Duration270 int./274 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.474
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.474 int./0.474 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.474 in (12.04 mm)
Advertised Intake Duration270
Intake Duration At 050 Inch Lift220
Exhaust Duration At 050 Inch Lift224
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration274
Lifter TypeHydraulic Roller
Duration At 050 Inch Lift220 int./224 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK12-413-8
Package Qty1
Package TypeEA
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