ReadyLift 4" Big Lift Kit 2019-2023 Chevrolet Silverado Trail Boss / GMC AT4 1500
ReadyLIFT now offers an all-new 4" Big Lift Kit for the new 2019-2023 Chevy Silverado Trail Boss and GMC AT4 1500 trucks engineered for incredible ride quality and superior handling performance. Includes ReadyGuard Powertrain Warranty. Note: Use of Auto 4 Hi feature not recommended. Not compatible with rear mono-leaf springs. Click here to learn how to determine if you have rear mono-leaf springs. Single Cab configuration has not been validated for fitment & drivability by ReadyLIFT. Not for use on Diesel motor applications. Note: If using an 18-inch only -12mm offset works. A 18x9 with 0mm offset or higher does not work. The 44-39420 lift kit utilizes the very best in ReadyLIFT engineering with boxed steel front/rear cross members and full-width front skid plate constructed of thick 3/16" plate steel. New 1/4-inch boxed plate steel differential drop brackets feature a double gusset and boxed center rib to take the abuse of front differential torsional twisting. Our 4" lift