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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-34-239-4
'Xtreme 4x4' Hydraulic Flat Tappet Camshaft
$30995
Ships on 09/09/2026
Lowest Price GuaranteeFord 429, 460 c.i. 8 CYL. 1968-1994
- Xtreme 4x4 X4270H Hydraulic Flat Tappet Camshaft
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
BrandCOMP CAMS
Package Height2.9
Package Width3.0
Package Length24.4
Weight11.45 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)234
Cam StyleHydraulic flat tappet
Grind NumberFF X4 270H-11
Exh. Duration Advertised (Deg)278
Engine Make/SizeFord 429-460
Intake Valve Lift With Factory Rocker Arm Ratio (I0.554
Int. Duration @ .050 In. (Deg)226
Basic Operating Rpm Range1,600-5,800
Intake Valve Lift0.544 in (13.818 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)270
Lobe Separation (Deg)111
Rpm Range1600-5800
Advertised Duration270 int./278 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.574
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.554 int./0.574 exh.
QuantitySold individually
Exhaust Valve Lift0.564 in (14.326 mm)
Advertised Intake Duration270
Intake Duration At 050 Inch Lift226
Exhaust Duration At 050 Inch Lift234
Advertised Exhaust Duration278
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift226 int./234 exh.
Valve Springs RequiredYes
Vendor Part Number34-239-4
Package Qty1
Package TypeEA
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