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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-35-250-4
Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Only Lift: .541" /.544" Duration: 284°/296° RPM Range: 2300-6500
$30995
Ships on Sep 15, 2026
Lowest Price GuaranteeFord 351W 8 cyl. 1969-1996
- Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Only
Lift: .541''/.544''
Duration: 284°/296°
RPM Range: 2300-6500
*Note: Firing Order 1-3-7-2-6-5-4-8
Street/Strip with 2800+ stall converter, headers, gears, rough idle.
| Operating Range: | 2300-6500 RPM |
| Duration Advertised: | 284° Intake / 296° Exhaust |
| Duration @ .050' Lift: | 240° Intake / 246° Exhaust |
| Valve Lift w/1.6 Rockers: | .541' Intake / .544' Exhaust |
| Lobe Separation Angle: | 110° |
Ford, 351W, Windsor, 351 Windsor, 302, 5.0 HO, Explorer, Mutang, Ford Mustang, 408, 347, Fox Body Mustang, Fox Body, 302 HO, Cougar, F100, F150
Street/strip with 2800+ stall, headers, gears, rough 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.
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Part TypeCamshaft
BrandCOMP CAMS
Package Height2.75
Package Width2.87
Package Length24.5
Weight9.55 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)246
Cam StyleHydraulic flat tappet
Grind NumberFW XE284H-10
Exh. Duration Advertised (Deg)296
Engine Make/SizeFord 351W
Intake Valve Lift With Factory Rocker Arm Ratio (I0.541
Int. Duration @ .050 In. (Deg)240
Basic Operating Rpm Range2,300-6,500
Intake Valve Lift0.541 in (13.741 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)284
Lobe Separation (Deg)110
Rpm Range2300-6500
Advertised Duration284 int./296 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.544
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.541 int./0.544 exh.
QuantitySold individually
Exhaust Valve Lift0.544 in (13.818 mm)
Advertised Intake Duration284
Intake Duration At 050 Inch Lift240
Exhaust Duration At 050 Inch Lift246
Advertised Exhaust Duration296
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift240 int./246 exh.
Valve Springs RequiredYes
Vendor Part Number35-250-4
Package Qty1
Package TypeEA
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