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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-268-4
Xtreme Energy 268H Hydraulic Flat Tappet Camshaft Only Lift .479"/.480" Duration 268°/280° RPM Range 1800-5800
$30995
Ships on 09/15/2026
Lowest Price GuaranteeChevy 262-400ci Small Block 1987-98 Computer Controller
- Xtreme Energy 268H Hydraulic Flat Tappet Camshaft Only
- 1987-98 Computer Controlled
- Best cam for modified 350 TPI with improved chip, injectors, plenum, runners and exhaust
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
Best cam for modified 350 TPI with improved chip, injectors, plenum, runners and exhaust.
Lift .479"/.480"
Duration 268°/280°
RPM Range 1800-5800
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
BrandCOMP CAMS
Package Height2.8
Package Width3.1
Package Length24.3
Weight8.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)230
Cam StyleHydraulic flat tappet
Grind NumberCS XE268H-14
Exh. Duration Advertised (Deg)280
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.479
Int. Duration @ .050 In. (Deg)224
Basic Operating Rpm Range1,800-5,800
Intake Valve Lift0.479 in (12.167 mm)
Computer-Controlled CompatibleYes
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)114
Rpm Range1800-5800
Advertised Duration268 int./280 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.48
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.479 int./0.480 exh.
QuantitySold individually
Exhaust Valve Lift0.48 in (12.192 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift224
Exhaust Duration At 050 Inch Lift230
Advertised Exhaust Duration280
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift224 int./230 exh.
Valve Springs RequiredYes
Vendor Part Number12-268-4
Package Qty1
Package TypeEA
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