Fabtech’s Sport suspension system for 2025 GM 1500 models with Trail Boss/AT4 packaging is designed to preserve off-road capability and on-road driveability using the company’s IFS design. The Sport Lift provides a 4-inch raise while pairing with shocks tuned for mixed use to maintain handling balance. It’s intended for owners seeking improved ground clearance and maintained drivability for Chevy/GMC 1500 AT4 or Trail Boss models.

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