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1999-2000 GMC C3500 78
better throttle performance
Must Disconnect Active Air Dam
clampon mounting system
To use the forward-facing LF7918D-1 you first need to install the rear light LF7919D otherwise there is no way to plug in the new wire harness
2.0 Inch SST Lift Kit 2019-2024 Silverado/Sierra 1500 AT4/Trail Boss 4WD ReadyLIFT Turbo Kits 1999-2000 GMC C3500 78Last fall we announced our new leveling and SST lift kit offerings for the all new GM 1500 trucks. We specifically did not include the factory lift kit equipped GMC at4 and Chevy Silverado Trail Boss. The AT4 Trail Boss are factory equipped with a 2 Inch front lift. This front lift includes a longer front shock strut assembly. When combining a traditional leveling kit on these factory lifted trucks, several issues present themselves including binding
