Product updated on 2020-03-10, BellTech - BEL:6409, 2004-13 Ford F150 (4WD) 2 inch or 3 inch Rear Drop , 2004-14 Ford F150 (4WD) 2 inch or 3 inch Rear Drop, 4wd only, includes spacers for u-bolts if removing block for additional drop., Belltech 6409, Includes u-bolt spacers for removing factory blocks on 4wd trucks