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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-42-220-4
Xtreme Energy 250H Hydraulic Flat Tapper Camshaft Only Lift .443"/.448" Duration 250°/260° RPM Range 600-4800
$30995
Ships on 09/15/2026
Lowest Price GuaranteeOldsmobile 260-455 c.i. 8 cyl. 1967-1990
- Xtreme Energy 250H Hydraulic Flat Tapper Camshaft Only
Lift .443"/.448"
Duration 250°/260°
RPM Range 600-4800
Hydraulic-Very strong torque excellent mileage, smooth idle.
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
Very strong torque, excellent mileage, smooth 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
BrandCOMP CAMS
Package Height3.0
Package Width3.1
Package Length24.4
Weight10.4 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)212
Cam StyleHydraulic flat tappet
Grind NumberOL XE250H-10
Exh. Duration Advertised (Deg)260
Engine Make/SizeOlds 260-455
Intake Valve Lift With Factory Rocker Arm Ratio (I0.443
Int. Duration @ .050 In. (Deg)206
Basic Operating Rpm Range600-4,800
Intake Valve Lift0.443 in (11.252 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)250
Lobe Separation (Deg)110
Rpm Range600-4800
Advertised Duration250 int./260 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.448
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.443 int./0.448 exh.
QuantitySold individually
Exhaust Valve Lift0.448 in (11.379 mm)
Advertised Intake Duration250
Intake Duration At 050 Inch Lift206
Exhaust Duration At 050 Inch Lift212
Advertised Exhaust Duration260
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift206 int./212 exh.
Valve Springs RequiredYes
Vendor Part Number42-220-4
Package Qty1
Package TypeEA
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