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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K08-413-8
Comp Cams Xtreme 4x4 Hydraulic Roller Camshafts
$1,37195
Ships on 10/16/2026
Lowest Price GuaranteeChevy Small Block 305-350ci 1987-98Factory Roller (Carbureted)
- Xtreme 4x4 Hyd. Roller Cam Complete Kit
Chevy Small Block 305-350ci 1987-98 w/ Factory Roller
Lift: .474"/.474"
Duration: 270°/274°
Lobe Separation Angle: 111°
RPM Range: 1500-5500
Good mid-range power, good with 3.23-3.73 gear. Largest with stock converter.
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 mid-range power, needs headers, 3.55-4.10 gears, 2000 stall. Noticeable idle.
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 Height5.0
Package Width10.5
Package Length26.0
Weight30.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleHydraulic roller tappet
Grind NumberCS X4 270HR-11
Exh. Duration Advertised (Deg)274
Locks IncludedYes
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.474
Int. Duration @ .050 In. (Deg)220
Assembly Lubricant IncludedNo
Basic Operating Rpm Range1,500-5,500
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.474 in (12.04 mm)
Computer-Controlled CompatibleYes
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)111
Rpm Range1500-5200
Lifter StyleHydraulic roller
Advertised Duration270 int./274 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.474
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.474 int./0.474 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.474 in (12.04 mm)
Advertised Intake Duration270
Outside Diameter Of Outer Spring1.254 in (31.9 mm)
Intake Duration At 050 Inch Lift220
Exhaust Duration At 050 Inch Lift224
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration274
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift220 int./224 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK08-413-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
