1988-91 Chevy/GMC C1500 5 Lug / C2500 6 Lug Silverado / Sierra Standard Cab ONLY 4 Inch Spindle System. FTS1588-7BC FTSBK3 FTS1500UBK-3 FTS7078 FTS7333 FTS15887BC Fabtech 2WD 4 Inch Lift Kit Suspension System Chevrolet Chevy GMC C/K Silverado Sierra CTGSS CTGLKS 1988 1989 1990 1991 Fabtech leads the way with the most affordable, 4 inch Suspension System for 1988-98 GM C1500 trucks on the market today. Installation is easy, just bolt on the front spindles, along with the rear blocks, u-bolts and shocks.
Use 32 / 11.50R15 tire with 15x8 wheels with 3 3/4 inch backspacing with minor trimming.
***Larger tires cannot be installed on OEM wheels. Aftermarket wheels with a maximum backspacing of 3 3/4 inch must be used.
***Will not fit the 454SS models.
