Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK12-244-4
Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts
$45795
Ships on 10/20/2026
Lowest Price GuaranteeChevy Small Block 262-400ci 1955-98
- Xtreme Marine Hyd. Flat Tappet Cam Small Kit
Chevy Small Block 262-400ci 1955-98
Lift: .498"/.500"
Duration: 278°/292°
Lobe Separation Angle: 112°
RPM Range: 2000-6200
Jet boat with A or B impeller, good off shore high performance cam, 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
Jet boat with A or B impeller, good off-shore high performance cam, 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.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight17.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)244
Cam StyleHydraulic flat tappet
Grind NumberCS XM 278H-12
Exh. Duration Advertised (Deg)292
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.498
Int. Duration @ .050 In. (Deg)234
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,000-6,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.498 in (12.649 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)278
Lobe Separation (Deg)112
Rpm Range2000-6200
Lifter StyleHydraulic flat tappet
Advertised Duration278 int./292 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.5
Valve Springs IncludedNo
UsageMarine
Valve Lift With Factory Rocker Arm Ratio0.498 int./0.500 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.5 in (12.7 mm)
Advertised Intake Duration278
Intake Duration At 050 Inch Lift234
Exhaust Duration At 050 Inch Lift244
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration292
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift234 int./244 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK12-244-4
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
Some parts are not legal for use in California or other states with similar laws / regulations
