Fox 2.0 Performance Shock Set 2005-2016 Ford F250 Super Duty 4WD Part Numbers 980-24-647 and 980-24-677 Set of 4 Shocks for vehicles at factory height or w/0-1.5" front Lift and w/0-1" rear Lift Fits 4WD vehicles Shock boots & Roost Shields sold separately. All necessary washers, bushings, reservoir clamps, and nuts included. Factory shock mounting bolts are reused for installation. Mounting plates sold separately. Fox's limited one (1) year warranty protects against defects and premature failure.