Fabtech’s Sport suspension system for 2025 GM 1500 with Trail Boss/AT4 packaging offers a 4-inch lift and pairs with stealth monotube shock technology for balanced ride and control. Built around Fabtech’s IFS design, the package aims to maintain on- and off-road driveability while increasing clearance. It’s intended for owners who want a sport-oriented lift for Chevy/GMC 1500 trucks without sacrificing handling.

Fabtech 2025 GM 1500 4WD w/ Trail Boss/AT4 pkg 4in Sport System w/ Stealth Shocks