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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK08-433-8
Comp Cams Xtreme Energy Hydraulic Roller Camshafts
$99595
Ships on 10/19/2026
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 XR288HR Hydraulic Roller Camshaft Small Kit (CARBURETED)
- Street / Strip applications, 9:1 comp, intake, headers, stall, gears, 3000 stall
Installation Note: Stock springs cannot be used.
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
Street/strip applications, 9:1+ compression, intake, headers, gears. 3000+ stall. Rough idle.
Lift: .520''/.540''
Duration: 288°/294°
Lobe Separation Angle: 110°
RPM Range: 2500-6000
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 Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight18.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)242
Cam StyleHydraulic roller tappet
Grind NumberCS XR288HR-10
Exh. Duration Advertised (Deg)236
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.52
Int. Duration @ .050 In. (Deg)236
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,500-6,000
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.52 in (13.208 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)288
Lobe Separation (Deg)110
Rpm Range2500-6000
Lifter StyleHydraulic roller
Advertised Duration288 int./294 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.54
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.520 int./0.540 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.54 in (13.716 mm)
Advertised Intake Duration288
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift242
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration294
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift236 int./242 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK08-433-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
