Trail boss level kit, 1.5" over or 1" under Boss trail lift at4 system dirt performance fabtech logic silverado inch sierra basic front shocks rear coilovers stealth resi totalzparts Level silverado firehawk
Fabtech® 4″ Performance Lift System 19-20 GM Trail Boss/AT4
Fabtech® 4″ performance lift system 19-20 gm trail boss/at4
Fabtech® 4″ Performance Lift System 19-20 GM Trail Boss/AT4
Trail Boss Level Kit, 1.5" over or 1" under - 2019/2020 Silverado