Pro Comp 6-Inch Ford Super Duty Lift Kit - 4-Wheel & Off-Road Magazine

Ali Mansour Brand Manager, 4WD & Sport Utility

Modern 3⁄4- and 1-ton trucks are more deluxe than ever. It’s hard to even call many of the primo models with heated seats, wood trim, and satellite navigation “work beaters” when most are more decked out than so-called luxury sedans. Still, many Americans use their pickups for what they were intended for, and some even find time to enjoy the fullsize behemoths off-road.

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We recently stopped by the 4Wheel Parts store in Raleigh, North Carolina, where they were busy transforming an ’08 Ford F-250 into a truck capable of work and play. The owner of the 6.4L diesel uses the truck as a daily driver and toy hauler, and with almost 100K on the clock he was ready to increase the truck’s wheeling potential and freshen up the look.

To handle his suspension needs, a Pro Comp Stage II 6-inch system was chosen. The Stage II series offers a few component upgrades over the first-level kit, such as heavy-duty radius arms, complete rear springs, and Pro Comp MX-6 shocks with quick-change compression adjusters. By upgrading and replacing some of the crucial suspension components, Pro Comp also cuts down on the install time greatly.

The expert crew at 4Wheel Parts had the quad-cab shortbed F-250 lifted, aligned, and ready to roll in a day, though we’d expect to spend a full weekend lifting the pickup at our home garage. To see what Pro Comp has for your workhorse wheeler, check out www.procompusa.com.

PhotosView Slideshow The Pro Comp Stage II series Super Duty kits replace the factory radius arms with a beefy tubular set. The new arms come fitted with the factory-style bushings and are designed to compensate for the increased operating angle. A major install bonus is that the Pro Comp radius arms bolt into the factory mounting locations. This means no drilling, cutting, or rivet removal of the factory brackets. To keep the steering geometry in check, a track bar and pitman arm drop is provided. Be sure to check your steering link ends along with the factory track bar joints thoroughly, as they are very common wear points. Up front, 6-inch lift coils support the very heavy 6.4L diesel engine, while MX-6 shocks damp the ride. These shocks are equipped with compression adjuster knobs so you can easily soften or firm the truck’s ride. With a heavy-duty diesel above and 37-inch Xtreme All Terrains outboard, the front end has plenty to control. To give it a hand, Pro Comp provides dual steering stabilizers, which work in conjunction with the factory high-mount steering damper. Out back, a fresh set of 6-inch lift springs is combined with the stock block and overload spring to achieve lift. The Pro Comp lift springs are extremely long and only have a slight arch. This equates to a surprisingly soft and smooth ride, especially with no load in the back. For trucks that see a fair amount of towing, Pro Comp offers bolt-in traction bars to prevent axlewrap. The long links require a few holes to be drilled at the frame side of the truck, but are otherwise an easy upgrade that can be performed at the time of install, or later. The Raleigh, North Carolina, 4Wheel Parts store is a one-stop shop that is fitted with everything to finish out a build, including an alignment machine. Lifted trucks often require a little more know-how when being aligned, as larger tires and aftermarket suspensions don’t always mesh with factory specs. A paint marker is one of the most important tools you can have, especially when you’re replacing as many parts and hardware as a suspension lift requires. A simple paint mark after the hardware is torqued is an easy indicator that everything is tight. Marking the bolts will also save you time when doing your post-lift inspection, which must be completed after a few hundred miles.

Super Works
A 6-inch lift and 37s definitely gave the truck a more pronounced stance, without taking away all of its functionality. With the 6.4L engine the truck still has plenty of power for towing and the commute. We were mostly impressed with the truck’s ride quality, as it felt a bit softer than stock. For towing heavy trailers we’d probably opt for a set of helper airbags, but there is still plenty of load rating in the rear springs. It goes to show that just because a truck has a rugged look doesn’t mean it has to ride rough!

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Pro Grip
Since the F-250 sees a mix of on- and off-road use, a set of 37x12.50 Pro Comp Xtreme All Terrains was picked. The Xtreme A/T is a next-generation all-terrain that has more bite, deeper lugs, and better looks than traditional A/Ts. Each Xtreme A/T is wrapped onto a 17x9 Pro Comp 7033 series aluminum wheel. For strength each wheel is rated at 3,420 pounds, which matches the 3,525-pound Load Range D tires nicely.

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