Product updated on 2019-10-02, BellTech - BEL:655, 1999-06 Silverado/Sierra (Std Cab, short box) 2 inch F/4 inch R drop W/O Shocks, Includes; 2508, 6512, 99-06 Chevrolet Silverado/Sierra (Std Cab, short box) 2 inch F/4 inch R drop W/O Shocks lowering kit, spindles, hangers and shackles, Belltech 655, Must use at least 17 inch wheels