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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-08-407-8
Comp Cams Xtreme Energy Hydraulic Roller Camshafts
$56299
Ships on 09/10/2026
Lowest Price GuaranteeChevy 305-350ci Small Block 1987-98
For engines originally equipped with a hydraulic roller camshaft, except LT1 and LT4.
For engines originally equipped with a hydraulic roller camshaft, except LT1 and LT4.
- Xtreme Energy XR252HR Hydraulic Roller Camshaft (CARBURETED)
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 1 Year Limited Warranty
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 for towing, excellent mileage, smooth idle. Will work with stock converters and gears.
Lift: .472"/.480"
Duration: 252°/258°
Lobe Separation Angle: 110°
RPM Range: 600-4800
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.75
Package Width2.87
Package Length24.5
Weight8.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)206
Cam StyleHydraulic roller tappet
Grind NumberCSXR252HR-10
Exh. Duration Advertised (Deg)258
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.472
Int. Duration @ .050 In. (Deg)200
Basic Operating Rpm Range600-4,600
Intake Valve Lift0.472 in (11.989 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)252
Lobe Separation (Deg)110
Rpm Range600-4600
Advertised Duration252 int./258 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.48
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.472 int./0.480 exh.
QuantitySold individually
Exhaust Valve Lift0.48 in (12.192 mm)
Advertised Intake Duration252
Intake Duration At 050 Inch Lift200
Exhaust Duration At 050 Inch Lift206
Advertised Exhaust Duration258
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift200 int./206 exh.
Valve Springs RequiredYes
Vendor Part Number08-407-8
Package Qty1
Package TypeEA
No Questions
No Reviews
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Some parts are not legal for use in California or other states with similar laws / regulations
