Full ThrottleFull Throttle's complete suspension system for the '03 Hummer provides 9.5 inches of suspension lift. This kit will accommodate wheel and tire combinations as big as 40 inches in diameter. Applications are available for both coil and airbag rear suspension. It's a complete bolt-on lift kit and is also available in 6.5-, 9.5-, and 12-inch lifts.

Full ThrottleDept. ST5721 W. BarstowFresno, CA 93722(559) 271-8685www.fullthrottlesuspension.com

Extreme SuspensionsExtreme Suspensions Super Duty 8-inch lift system makes an F-250 or F-350 a force to be reckoned with. This kit provides 8 inches of suspension lift for '99-'03 four-wheel-drive Ford Super Duty F-250 and F-350s. The systems consist of front springs, a track bar relocation bracket, extended antisway bar links with urethane bushings, and four Dick Cepek Race Series shocks. Five-leaf multistage replacement front springs with OE-style, press-in rubber bushings offer enhanced ride quality. High-performance urethane bumpstops control compression, while proper steering geometry is attained with the extended pitman arm and stabilized with the extended antisway bar drop link with urethane bushings. Your choice of Dick Cepek Race Series 77 or Race Series 88 shocks complete the advanced ride of this Super Duty system.

Extreme Suspensions Inc. Dept. ST3104 N. Hwy. 87Big Spring, TX 79721(866) 398-7877www.extremesuspensions.com

BDS SuspensionBDS Suspension has released a 6-inch suspension system for the '00-'03 Chevrolet/GMC Silverado and Sierra 1/2-ton four-wheel-drive vehicles. This system allows the use of stock tires and wheels, and no driveshaft change is required. This system also uses factory upper and lower control arms and includes steering knuckles. BDS Suspension products are covered by the exclusive No Fine Print Warranty and are only available through authorized BDS distributors.

BDS Dept. ST402 Jay St.Coldwater, MI 49036(517) 279-2135www.bds-suspension.com

Donahoe Racing EnterprisesDonahoe Racing Enterprises' engineers have spent the last year researching the proper valving, springs, and shock lengths to lift the late-model Toyota 3 inches. This front suspension enhancement features a 2.5-inch-diameter, nickel-plated, nitrogen-charged, race-style front shock; a billet aluminum upper mount; and a silicon-chrome-vanadium spring. The coilover is adjustable to allow ride heights from 0 to 3 inches for increased performance and clearance of larger tires.

Donahoe Racing EnterprisesDept. ST2841 E. White Star, Ste. EAnaheim, CA 92806(714) 632-3033www.donahoeracing.com

CalminiCalmini's '00-'03 2WD/4WD Xterra lift system includes: laser-crafted, heavy-duty longer upper control arms; new high-angle upper ball joints; Delrin pivot bushings with sleeves; 27mm extreme-duty torsion bars; rear dual leaf insert springs; rear antisway bar extension links; rear shackles; bumpstop extensions; four gas-charged shocks with boots; U-bolts; and all necessary hardware and installation instructions. The system is powdercoated in signature Calmini Blue.

CalminiDept. ST6951 McDivittBakersfield, CA 93313(661) 398-9500www.calmini.com

RanchoThe Rancho RS6548 Suspension system for '01-'02 Chevy and GMC 2500HD 2WD and 4WD trucks provides an aggressive look by lifting the front 4 inches and the rear 2 inches. The system allows the use of larger tires for increased ground clearance. It features easy installation and requires no exhaust modifications. Parts include: CNC-machined, cast-iron knuckles; torsion bar crossmember drop brackets; heavy-duty tubular subframe braces with urethane bushings; heavy-duty fasteners and hardware; one-piece, MIG-welded and reinforced subframe with skidplate tabs; heavy-duty, 1/4-inch steel construction; extended antisway bar end links; rear riser blocks and U-bolts; and urethane bushings throughout.

RanchoDept. ST1 International Dr.Monroe, MI 48161(734) 384-7804www.gorancho.com

Pro CompPro Comp's 6-inch IFS four-wheel-drive suspension kit includes equal-angle suspension engineering (E.A.S.E.) to keep things symmetrical. Explorer Pro Comp's exclusive front driveline options are designed to maintain factory track width, and it gives you a true 6-inch lift without adjusting torsion bars while maintaining a comfortable factory ride. It comes complete with twin-tube gas shocks.

Pro CompDept. ST2360 Boswell Rd.Chula Vista, CA 91914(800) 776-0767www.explorerprocomp.com