Comp Cams  Xtreme Energy  Hydraulic Roller Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-SK08-503-8

Comp Cams Xtreme Energy Hydraulic Roller Camshafts

$96295
ShippingShips on 10/19/2026
Lowest PriceLowest Price Guarantee

Chevy 305-350ci Small Block 1987-98
For engines originally equipped with a hydraulic roller camshaft, except LT1 and LT4.
    Xtreme Energy XR276HR-12 Computer Controlled Hydraulic Roller Camshaft Small Kit
    Lift: .503''/.510''
    Duration: 276°/281°
    Lobe Separation Angle: 112°
    RPM Range: 1800-5800

  • Best cam for modified 350 TPI with improved chip, injectors, plenum, runners and exhaust. 2000 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


    Needs modified TPI w/injectors, plenum, runners, exhaust, 2000+ stall. Requires custom tuning.

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 Height5.4
Package Width10.5
Package Length25.4
Weight17.9 PG
Part CategoryPerformance Parts
UsageStreet/Performance
Intake Valve Lift0.503 in (12.776 mm)
Int. Duration Advertised (Deg)276
Exh. Duration @ .050 In. (Deg)239
Rpm Range1800-5800
Lifter TypeHydraulic Roller
Exh. Duration Advertised (Deg)280
Part FitmentSemi Universal
Engine Make/SizeChevy Small Block (262-400)
Int. Duration @ .050 In. (Deg)224
Exhaust Valve Lift0.51 in (12.954 mm)
Vendor Part NumberSK08-503-8
Package Qty1
Package TypeEA
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