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The Fabtech 4-inch performance lift system includes front Dirt Logic 2.5 reservoir coilovers and rear Dirt Logic 2.25 shocks, developed with over 20 years of suspension expertise. Engineered to retain factory steering centerlink and upper control arms, it allows use of stock tires and wheels with no driveshaft change for compatible automatic transfer cases and offers a quick, largely bolt-on installation for 2019–2020 GM K1500 pickups with Trail Boss/AT4 diesel packages.
Fabtech 19-20 GM K1500 P/U w/Trail Boss/At4 Pkg Diesel 4in Perf Sys w/Dl 2.5 Resi & 2.25
