Ford Bronco ’RS4’ Chassis - Full Final Assembly

The culmination of hundreds of specifically in-house engineered, fabricated and machined parts as one complete, kickass package for the ’66-77 Broncos. Sit back and watch the details come together on the final assembly of this Roadster Shop RS4 chassis as we get it ready to send to the customer. See the full Roadster Shop chassis lineup with RS4 (Solid axle) and RS4R (IFS) options for offroad builds at the link below. Don’t see yours? Give us a call to go over custom options! The RS4 1966-77 Bronco - Starting with Roadster Shop’s proven laser rails, a complete chassis was engineered utilizing the best components available in the industry. Currie Dana 44 front and Dana 60 Rear differentials are tied into the chassis through triangulated 4 links designed to optimize anti-dive, anti-squat, and suspension articulation. Massive sealed xAxis flex joints allow increased misalignment, longevity, and performance over commonly used sp