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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-01-418-8
Comp Cams Xtreme Energy Hydraulic Roller Camshafts
$57795
Ships on 09/08/2026
Lowest Price GuaranteeChevrolet Gen VI Big Block 454ci & 502 c.i. 8 CYL. 1996-1999
- Xtreme Energy XR282HR Hydraulic Roller Camshaft
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 1 Year Limited Warranty
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
For high performance street engines, needs 2500+ stall, improved intake manifold, headers and lower gears.
Lift: .510"/.510"
Duration: 282/288
Lobe Separation Angle: 110°
RPM Range: 2200-5800
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 Height4.2
Package Width4.8
Package Length24.3
Weight11.1 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)230
Cam StyleHydraulic roller tappet
Grind NumberG6 XR282HR-10
Exh. Duration Advertised (Deg)288
Engine Make/SizeChevy Gen VI 454
Intake Valve Lift With Factory Rocker Arm Ratio (I0.51
Int. Duration @ .050 In. (Deg)230
Basic Operating Rpm Range2,200-5,800
Intake Valve Lift0.51 in (12.954 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)282
Lobe Separation (Deg)110
Rpm Range2200-5800
Advertised Duration282 int./288 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.52
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.510 int./0.520 exh.
QuantitySold individually
Exhaust Valve Lift0.51 in (12.954 mm)
Advertised Intake Duration282
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift236
Advertised Exhaust Duration288
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift230 int./236 exh.
Valve Springs RequiredYes
Vendor Part Number01-418-8
Package Qty1
Package TypeEA
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