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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK42-221-4
Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Small Kit Lift: .453" /.456" Duration: 256°/268° RPM Range: 1000-5200
$40795
Ships on 09/16/2026
Lowest Price GuaranteeOldsmobile 260-455 c.i. 8 cyl. 1967-1990
- Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Small Kit
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 1 Year Limited Warranty
Olds; Oldsmobile; Cutlass; Cutlass Supreme; 98; Calais; Ciera; Custom Cruiser; Starfire; Firenza; 88; Rocket; Rocket 88; Vista Cruiser; Delta 88; 260; 442; 307; 350; 403; 400; 425; 455
Strong torque through low end and mid-range, good idle.
Lift: .453''/.456''
Duration: 256°/268°
RPM Range: 1000-5200
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
Weight23.0 PG
Part CategoryPerformance Parts
UsageStreet/Performance
Intake Valve Lift0.453 in (11.506 mm)
Int. Duration Advertised (Deg)256
Exh. Duration @ .050 In. (Deg)218
Rpm Range1000-5200
Lifter TypeHydraulic Flat Tappet
Exh. Duration Advertised (Deg)268
Engine Make/SizeOlds 260-455
Int. Duration @ .050 In. (Deg)212
Exhaust Valve Lift0.456 in (11.582 mm)
Vendor Part NumberSK42-221-4
Package Qty1
Package TypeEA
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