New from Roadster Shop – the Full IFS 4WD Chassis for the 1966-77 Ford Bronco. This state of the art chassis offers 12 inches of travel in the front and 13 inches in the rear. See more details below.

Official Release:

Full IFS, 4WD chassis with triangulated trailing arm rear. Designed from scratch, utilizing the latest 3D scanning technology and our in-house engineering to create a one of a kind package for the 1966-77 Bronco. Offering 12” travel in the front and 13” in the rear, we created this chassis with the smaller body of these classic trucks in mind. Dual rate springs optimize ride quality and performance working with 2.5” twin tube bypass shocks and 2.5” coilovers. This chassis is configured this package to accept Coyote/6R80 or LS/4L80 dravetrain packages along with an Atlas 2 speed transfer case. The RS4R chassis was also designed to allow the use of 285 series tires and +17” wheels on all four corners without the need for fender opening mods.

RS4R Independent Front Suspension with fabbed upper and lower control arms for a 56” track width, GM 6 X 5.5” sealed hub assembly, CNC Laser cut and contoured box tube main rails, Engine mounts for GM LS based or Ford Coyote, Utilizes stock body,bumper,and core support mounts, 12” front and 13” rear travel, Fox factory 2.5” twin tube bypass shocks, Fox factory 2.5” coil overs and external bumps, Structural, center crossmember with a transmission and transfer case mounts, heavy wall fabbed triangulated trailing arm rear suspension, High 9 PRO Iron, Tru Track, front and rear differentials , 4140 chromoly machined spindles with 300m axle shafts and 934 CV’s.

Features:

• Full IFS 4WD chassis with triangulated trailing arm rear
• Designed from scratch utilizing the latest 3D scanning technology
• Offers 12” travel in the front and 13” in the rear