Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K35-250-4
Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Complete Kit Lift .541"/.544" Duration 284°/296° RPM Range 2300-6500
$61995
Ships on 10/23/2026
Lowest Price GuaranteeFord 351W 8 cyl. 1969-1996
- Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Complete Kit
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 1 Year Limited Warranty
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
Street/strip with 2800+ stall, headers, gears, rough idle.
Lift .541"/.544"
Duration 284°/296°
RPM Range 2300-6500
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 Height5.2
Package Width10.6
Package Length25.5
Weight24.75 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)246
Cam StyleHydraulic flat tappet
Grind NumberFW XE284H-10
Exh. Duration Advertised (Deg)296
Locks IncludedYes
Engine Make/SizeFord 351W
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.541
Int. Duration @ .050 In. (Deg)240
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,300-6,500
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.541 in (13.741 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)284
Lobe Separation (Deg)110
Rpm Range2300-6500
Lifter StyleHydraulic flat tappet
Advertised Duration284 int./296 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.544
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.541 int./0.544 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.544 in (13.818 mm)
Advertised Intake Duration284
Outside Diameter Of Outer Spring1.43 in (36.3 mm)
Intake Duration At 050 Inch Lift240
Exhaust Duration At 050 Inch Lift246
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration296
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift240 int./246 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK35-250-4
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![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)
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
Some parts are not legal for use in California or other states with similar laws / regulations
