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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-324-4
Xtreme Marine Hydraulic Flat Tappet Camshaft Lift .483"/.483" Duration 280/288 RPM Range 2600-5700
$30995
Ships on Sep 03, 2026
Lowest Price GuaranteeChevrolet 262-400 c.i. 8 CYL. 1958-1998 b>
- Xtreme Marine Hydraulic Flat Tappet Camshaft
Lift .483"/.483"
Duration 280/288
RPM Range 2600-5700
Hydraulic-High performance in 350- 400 engines, strong off shore cam.
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 in 350-400 engines, strong off-shore cam.
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
BrandCOMP CAMS
Package Height2.75
Package Width2.87
Package Length24.5
Weight8.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)237
Cam StyleHydraulic flat tappet
Grind Number280AH
Exh. Duration Advertised (Deg)288-9
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.483
Int. Duration @ .050 In. (Deg)232
Basic Operating Rpm Range2,600-5,800
Intake Valve Lift0.483 in (12.268 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)280-9
Lobe Separation (Deg)110
Rpm Range2600-5700
Advertised Duration280 int./288 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.483
UsageOEM
Valve Lift With Factory Rocker Arm Ratio0.483 int./0.483 exh.
QuantitySold individually
Exhaust Valve Lift0.483 in (12.268 mm)
Advertised Intake Duration280
Intake Duration At 050 Inch Lift232
Exhaust Duration At 050 Inch Lift237
Advertised Exhaust Duration288
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift232 int./237 exh.
Valve Springs RequiredYes
Vendor Part Number12-324-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
