The Prothane rear spring and shackle bushing set for 1957–1972 Ford F100/F150 is a red bushing kit specified for rear spring and shackle locations on classic Ford trucks. Offered to replace worn factory bushings, the kit clarifies fitment to 1957–1972 F100 and F150 models and serves buyers restoring rear suspension mountings who need the correct bushings for those year-range applications.
Prothane 57-72 Ford F100/F150 Rear Spring & Shackle Bushings - Red