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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL08-422-8
Comp Cams Xtreme Energy Hydraulic Roller Camshafts
$85795
Ships on 09/09/2026
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 XR270HR Hydraulic Roller Camshaft & Lifter Kit (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
High performance application, largest with stock converter, noticeable idle.
Lift: .495''/.502''
Duration: 270°/276°
Lobe Separation Angle: 110°
RPM Range: 1600-5400
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 Kit
BrandCOMP CAMS
Package Height3.2
Package Width6.0
Package Length25.5
Weight14.3 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleHydraulic roller tappet
Grind NumberXR270HR
Exh. Duration Advertised (Deg)276
Locks IncludedNo
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.495
Int. Duration @ .050 In. (Deg)218
Assembly Lubricant IncludedNo
Basic Operating Rpm Range1,600-5,400
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.495 in (12.573 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)110
Rpm Range1600-5400
Lifter StyleHydraulic roller
Advertised Duration270 int./276 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.502
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.495 int./0.502 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.502 in (12.751 mm)
Advertised Intake Duration270
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift224
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration276
Lifter TypeHydraulic Roller
Duration At 050 Inch Lift218 int./224 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL08-422-8
Package Qty1
Package TypeEA
No Questions
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