Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-34-231-4
'Xtreme 4x4' Hydraulic Flat Tappet Camshaft
$29895
Ships on 09/09/2026
Lowest Price GuaranteeFord 429, 460 c.i. 8 CYL. 1968-1994
- Xtreme 4x4 X4256H Hydraulic Flat Tappet Camshaft
Lift: .514''/.514''
Duration: 256°/262°
Lobe Separation Angle: 111°
RPM Range: 1000-5000
Hydraulic-Strong low end and mid range torque, has a good idle.
| Operating Range: | 1600-5800 RPM |
| Duration Advertised: | 270° Intake / 278° Exhaust |
| Duration @ .050' Lift: | 218° Intake / 226° Exhaust |
| Valve Lift w/1.7 Rockers: | .544' Intake / .564' 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
Strong low end and mid-range torque, good 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.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width3.2
Package Length24.3
Weight11.45 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberFF X4 256H-11
Exh. Duration Advertised (Deg)262
Engine Make/SizeFord 429-460
Intake Valve Lift With Factory Rocker Arm Ratio (I0.514
Int. Duration @ .050 In. (Deg)210
Basic Operating Rpm Range1,000-5,000
Intake Valve Lift0.505 in (12.827 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)256
Lobe Separation (Deg)111
Rpm Range1000-5000
Advertised Duration256 int./262 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.514
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.514 int./0.514 exh.
QuantitySold individually
Exhaust Valve Lift0.505 in (12.827 mm)
Advertised Intake Duration256
Intake Duration At 050 Inch Lift210
Exhaust Duration At 050 Inch Lift218
Advertised Exhaust Duration262
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift210 int./218 exh.
Valve Springs RequiredYes
Vendor Part Number34-231-4
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
COMP CAMS
10° Super Lock Steel Retainers Valve Spring Diameter: 1.500" to 1.550"
Part Number : 249-741-16
$9095
COMP CAMS
10° Super Lock Steel Retainers Valve Spring Diameter: 1.437" to 1.500"
Part Number : 249-747-16
$7276$90.95
You Save$18.19
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
