Fabtech's 8-inch 4-link conversion for 2017–2021 Ford F-250/F-350 4WD Super Duty trucks replaces the factory radius arm suspension to deliver improved articulation, reduced caster change and better terrain traversal. The system features heavy-wall links, race-style uniballs and an extended, offset track bar that improves steering geometry and allows full-lock steering with wide tires. It includes coil springs, Stealth shocks and a comprehensive hardware kit, and carries a five-year/60,000-mile powertrain warranty.
Fabtech 17-21 Ford F250/F350 4WD Diesel 8in 4Link Sys w/Coils & Stealth Shks