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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K34-239-4
Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts
$75595
Ships on 10/19/2026
Lowest Price GuaranteeFord 429, 460 c.i. 8 CYL. 1968-1994
- Xtreme 4x4 X4270H Hydraulic Flat Tappet Camshaft Complete Kit
Lift: .554''/.574''
Duration: 270°/278°
Lobe Separation Angle: 111°
RPM Range: 1600-5800
Likes improved intake, needs headers and 3.55-3.90 gear with 2000 stall.
| Operating Range: | 1600-5800 RPM |
| Duration Advertised: | 270° Intake / 278° Exhaust |
| Duration @ .050' Lift: | 226° Intake / 234° Exhaust |
| Valve Lift w/1.7 Rockers: | .544' Intake / .574' 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
Likes improved intake, needs headers and 3.55-3.90 gear with 2000+ 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 Height5.1
Package Width10.8
Package Length25.4
Weight29.35 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)234
Cam StyleHydraulic flat tappet
Grind NumberFF X4 270H-11
Exh. Duration Advertised (Deg)278
Locks IncludedYes
Engine Make/SizeFord 429-460
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.554
Int. Duration @ .050 In. (Deg)226
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,600-5,800
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.544 in (13.818 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)111
Rpm Range1600-5800
Lifter StyleHydraulic flat tappet
Advertised Duration270 int./278 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.574
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.554 int./0.574 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.564 in (14.326 mm)
Advertised Intake Duration270
Outside Diameter Of Outer Spring1.509 in (38.3 mm)
Intake Duration At 050 Inch Lift226
Exhaust Duration At 050 Inch Lift234
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration278
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift226 int./234 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK34-239-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
