Fabtech’s 4.0 Dirt Logic coilover option for 2019–2020 Ford F450/F550 4WD diesel 6-inch 4-link systems provides higher-capacity damping for extreme off-road use. As part of the bolt-on 4-link architecture, the larger coilovers work with heavy-wall links, uniballs and reinforced brackets to deliver increased wheel travel and control. The system is built to accept oversized tires and offers race-inspired strength without frame cutting or welding.
Fabtech 19-20 Ford F450/550 4WD Diesel 6in 4Link Sys w/4.0 & 2.25 Dl