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Chevy 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 XR300HR Hydraulic Roller Camshaft & Lifter Kit (CARBURETED)
Lift .562"/.580"
Duration 300°/306°
Lobe Separation Angle: 110°
RPM Range 3200-6200
Hydraulic Roller - Pro street, bracket racing, 10:1 CR, 3500+ stall, good intake, headers.
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
Pro Street, bracket racing, 10:1+ compression, 3500+ stall, good intake, headers.
Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height3.8
Package Width5.4
Package Length25.1
Weight14.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)254
Cam StyleHydraulic roller tappet
Grind NumberXR300HR
Exh. Duration Advertised (Deg)306
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.562
Int. Duration @ .050 In. (Deg)248
Assembly Lubricant IncludedNo
Basic Operating Rpm Range3,200-6,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.562 in (14.275 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)300
Lobe Separation (Deg)110
Rpm Range3200-6200
Lifter StyleHydraulic roller
Advertised Duration300 int./306 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.58
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.562 int./0.580 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.58 in (14.732 mm)
Advertised Intake Duration300
Intake Duration At 050 Inch Lift248
Exhaust Duration At 050 Inch Lift254
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration306
Lifter TypeHydraulic Roller
Duration At 050 Inch Lift248 int./254 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL08-444-8
Package Qty1
Package TypeEA
No Questions
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