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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-411-8
Comp Cams Xtreme 4x4 Hydraulic Roller Camshafts
$57795
Ships on Oct 28, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
Chevy Small Block 262-400ci 1955-98Retro-Fit
- Xtreme 4x4 Retro-Fit Hydraulic Roller Camshaft
Chevy Small Block 262-400ci 1955-98
Lift: .474"/.474"
Duration: 260°/264°
Lobe Separation Angle: 111°
RPM Range: 1200-5200
Good mid-range power, good performance increase. 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, good performance increase. Largest with stock converter.
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
BrandCOMP CAMS
Package Height2.8
Package Width2.9
Package Length24.4
Weight9.15 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)214
Cam StyleHydraulic roller tappet
Grind NumberCS X4260HR
Exh. Duration Advertised (Deg)264
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.474
Int. Duration @ .050 In. (Deg)210
Basic Operating Rpm Range1,200-5,200
Intake Valve Lift0.474 in (12.04 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)260
Lobe Separation (Deg)111
Rpm Range1200-5200
Advertised Duration260 int./264 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.474
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.474 int./0.474 exh.
QuantitySold individually
Exhaust Valve Lift0.474 in (12.04 mm)
Advertised Intake Duration260
Intake Duration At 050 Inch Lift210
Exhaust Duration At 050 Inch Lift214
Advertised Exhaust Duration264
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift210 int./214 exh.
Valve Springs RequiredYes
Vendor Part Number12-411-8
Package Qty1
Package TypeEA
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