Energy Suspension rear leaf spring and shackle set for 1957–1972 Ford F-100/F-150 2WD uses Hyper-Flex polyurethane bushings to replace OEM rubber components. The complete spring and shackle kit improves durability and suspension control for street or light off-road use, resisting oil, grease, and weathering for a longer service life. It aims to restore proper suspension function and handling during acceleration, braking, and cornering.
Energy Suspension 57-72 Ford F-100 / F-150 Rear 2WD Black Spring and Shackle Set