Skyjacker N8000 Gas Shock Set 1999-2004 Ford F250 Super Duty 4WD w/4-5" Lift Part Numbers N8041 and N8079 Set of 4 Shocks for vehicles w/4-5" front Lift and w/4-5" 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.