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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-31-234-3
Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Only Lift: .477" /.484" Duration: 256°/268° RPM Range: 1000-5200
$29795
Ships on Sep 04, 2026
Lowest Price GuaranteeFord 221-302 C.I. 8 cyl. 1963-1995 (Includes 221, 260, 289 & 302)
- Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Only
Lift: .477''/.484''
Duration: 256°/268°
RPM Range: 1000-5200
*Note: Firing Order 1-5-4-2-6-3-7-8
Strong torque thru low-end and mid-range, good idle.
Ford; SBF; Mustang; Windsor; Fairlane; Meteor; Mercury; GT; 22; 260; Sunbeam; Tiger; 289; 302; 351; 289; HiPo; K-Code; GT-350; Shelby; Boss; 5.0; 308; Windsor; Torino; Cougar; F-150; Squire; Thunderbird; LTD; Galaxie; Grand Marquis
Strong torque thru low end and mid-range, good 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 Height2.75
Package Width2.87
Package Length24.5
Weight9.5 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberFS XE256H-10
Exh. Duration Advertised (Deg)268
Engine Make/SizeFord 289-302
Intake Valve Lift With Factory Rocker Arm Ratio (I0.477
Int. Duration @ .050 In. (Deg)212
Basic Operating Rpm Range1,000-5,200
Intake Valve Lift0.477 in (12.116 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)256
Lobe Separation (Deg)110
Rpm Range1000-5200
Advertised Duration256 int./268 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.484
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.477 int./0.484 exh.
QuantitySold individually
Exhaust Valve Lift0.484 in (12.294 mm)
Advertised Intake Duration256
Intake Duration At 050 Inch Lift212
Exhaust Duration At 050 Inch Lift218
Advertised Exhaust Duration268
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift212 int./218 exh.
Valve Springs RequiredYes
Vendor Part Number31-234-3
Package Qty1
Package TypeEA
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