Skyjacker N8000 Gas Shock Set 1999-2004 Ford F250 Super Duty 4WD w/6-8" Lift Part Numbers N8060 and N8079 Set of 4 Shocks for vehicles w/6-8" front Lift and w/6-8" rear Lift Fits 4WD vehicles All necessary washers, bushings, and nuts included. Factory shock mounting bolts are reused for installation. SkyJacker's limited lifetime warranty protects against defects and premature failure.