Fabtech coilover component box references a 4-link kit with 4.0 and 2.25 Dirt Logic shocks for 2017 Ford F450 and F550 4WD diesel 6-inch lift applications. The bolt-on system emphasizes articulation and wheel travel via heavy-wall links and race-style uniballs, with thick brackets that mount without cutting or welding. The kit context includes the necessary hardware and shock packages to complete the lift.
Fabtech 17 Ford F450/F550 4WD Diesel 6in 4Link Sys w/4.0 & 2.25 Dl