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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-18-124-4
Xtreme Energy 268H Hydraulic Flat Tappet Camshaft Only Lift .454"/.454" Duration 268/268 RPM Range 1500-5500
$30995
Ships on 09/15/2026
Lowest Price GuaranteeChevrolet 4.3 Liter 262 c.i. 90° 6 CYL. 1980-1997
- Xtreme Energy 268H Hydraulic Flat Tappet Camshaft Only
Lift .454"/.454"
Duration 268/268
RPM Range 1500-5500
Hydraulic-Hi-performance, non-computer, low gears, mild stall converter suggested.
90 Degree V6; 4.3: 262; Chevrolet 262; Chevrolet 4.3L; LB1; LB4; L35; LF6; S10; Blazer; S10 Blazer; S15; Sonoma; GMC; Safari; Astro Van; Safari; GMC Safari; Silverado
High performance, non-computer, low gears, 2000+ stall suggested.
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 Height2.75
Package Width2.87
Package Length24.5
Weight7.2 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberC6 268H-10
Exh. Duration Advertised (Deg)268
Engine Make/SizeChevy 262
Intake Valve Lift With Factory Rocker Arm Ratio (I0.454
Int. Duration @ .050 In. (Deg)218
Basic Operating Rpm Range1,500-5,500
Intake Valve Lift0.454 in (11.532 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)110
Rpm Range1500-5500
Advertised Duration268 int./268 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.454
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.454 int./0.454 exh.
QuantitySold individually
Exhaust Valve Lift0.454 in (11.532 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift218
Advertised Exhaust Duration268
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift218 int./218 exh.
Valve Springs RequiredYes
Vendor Part Number18-124-4
Package Qty1
Package TypeEA
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