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Fabtech's 1.5‑inch upper control arm lift kit for 2019–2020 GM K1500 Trail Boss and AT4 models combines a ball‑joint UCA system with front Dirt Logic 2.5 Resi coilovers and rear Dirt Logic 2.25 shocks to improve ride and off‑road damping. The package increases ride height without binding, retains proper steering geometry and is engineered for simplified installation and durable performance.
Fabtech 19-20 GM K1500 P/U w/Trail Boss/At4 Pkg 1.5in Budget Sys w/Dl 2.5 Resi & 2.25
