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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL34-243-5
'Xtreme 4x4' Hydraulic Flat Tappet Camshaft
$42695
Ships on 10/19/2026
Lowest Price GuaranteeFord 429, 460 c.i. 8 CYL. 1968-1994
- Xtreme 4x4 X4278H Hydraulic Flat Tappet Camshaft & Lifter Kit
Lift: .574''/.580''
Duration: 278°/288°
Lobe Separation Angle: 111°
RPM Range: 2000-6200
Good top end power, Needs intake, headers and gears. 9.5 compression with 2500 stall.
| Operating Range: | 2000-6200 RPM |
| Duration Advertised: | 278° Intake / 288° Exhaust |
| Duration @ .050' Lift: | 234° Intake / 244° Exhaust |
| Valve Lift w/1.7 Rockers: | .574' Intake / .580' Exhaust |
| Lobe Separation Angle: | 111° |
Ford; 429; 460; BBF; Big Block Ford; 385; Cobra Jet; 429 Cobra Jet; Interceptor; Lima; F100; F150; F250; Super Duty; E150; E250
Good top end power, needs intake, headers and gears. 9.5:1 compression with 2500+ stall.
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 Height3.0
Package Width5.5
Package Length25.5
Weight16.4 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)244
Cam StyleHydraulic flat tappet
Grind NumberX4278H
Exh. Duration Advertised (Deg)288
Locks IncludedNo
Engine Make/SizeFord 429-460
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.574
Int. Duration @ .050 In. (Deg)234
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,000-6,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.564 in (14.326 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)278
Lobe Separation (Deg)111
Rpm Range2000-6200
Lifter StyleHydraulic flat tappet
Advertised Duration278 int./288 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.58
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.574 int./0.580 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.57 in (14.478 mm)
Advertised Intake Duration278
Intake Duration At 050 Inch Lift234
Exhaust Duration At 050 Inch Lift244
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration288
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift234 int./244 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL34-243-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
