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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-445-8
Xtreme Marine XM270HR Retro-Fit Hydraulic Roller Camshaft Only Lift .510"/.510" Duration 270°/276° RPM Range 1600-5400
$57795
2 left in stock
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Lowest Price GuaranteeChevrolet 396-454 c.i. 8 CYL. 1965-1996 Retro-Fit
- Xtreme Marine XM270HR Retro-Fit Hydraulic Roller Camshaft Only
Lift .510"/.510"
Duration 270°/276°
RPM Range 1600-5400
Hydraulic Roller-Good for inboard/ outboard pleasure boats, has good idle.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Good for inboard/outboard pleasure boats, has good 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
BrandCOMP CAMS
Package Height2.9
Package Width3.0
Package Length23.4
Weight9.7 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleHydraulic roller tappet
Grind NumberCB XM 270HR-12
Exh. Duration Advertised (Deg)276
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.51
Int. Duration @ .050 In. (Deg)218
Basic Operating Rpm Range1,600-5,400
Intake Valve Lift0.51 in (12.954 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)112
Rpm Range1600-5400
Advertised Duration270 int./276 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.51
UsageMarine
Valve Lift With Factory Rocker Arm Ratio0.510 int./0.510 exh.
QuantitySold individually
Exhaust Valve Lift0.51 in (12.954 mm)
Advertised Intake Duration270
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift224
Advertised Exhaust Duration276
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift218 int./224 exh.
Valve Springs RequiredYes
Vendor Part Number11-445-8
Package Qty1
Package TypeEA
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