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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K35-231-3
Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts
$61095
Ships on 10/19/2026
Lowest Price GuaranteeFord 351W 8 cyl. 1969-1995
- Xtreme 4x4 X4250H Hydraulic Flat Tappet Camshaft Complete Kit
Lift: .448''/.483''
Duration: 250°/258°
Lobe Separation Angle: 111°
RPM Range: 1000-5000
*Note: Firing Order 1-3-7-2-6-5-4-8
Excellent torque and throttle response, good 4x4 low-end power.
| Operating Range: | 1000-5000 RPM |
| Duration Advertised: | 250° Intake / 258° Exhaust |
| Duration @ .050' Lift: | 206° Intake / 214° Exhaust |
| Valve Lift w/1.6 Rockers: | .448' Intake / .483' Exhaust |
| Lobe Separation Angle: | 111° |
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
Excellent torque and throttle response, good economy and low end power.
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 Kit
BrandCOMP CAMS
Package Height5.1
Package Width10.3
Package Length25.4
Weight24.25 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)214
Cam StyleHydraulic flat tappet
Grind NumberFW X4 250H-11
Exh. Duration Advertised (Deg)258
Locks IncludedYes
Engine Make/SizeFord 351W
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.448
Int. Duration @ .050 In. (Deg)206
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,000-5,000
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.448 in (11.379 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)250
Lobe Separation (Deg)111
Rpm Range1000-5000
Lifter StyleHydraulic flat tappet
Advertised Duration250 int./258 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.483
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.448 int./0.483 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.483 in (12.268 mm)
Advertised Intake Duration250
Outside Diameter Of Outer Spring1.437 in (36.5 mm)
Intake Duration At 050 Inch Lift206
Exhaust Duration At 050 Inch Lift214
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration258
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift206 int./214 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK35-231-3
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
