Featuring a unique, exclusive valving system and advanced compression functionality, Rancho® RS5000™X shocks deliver improved overall on- and off-road handling and performance.\nRancho RS5000X RS55047 Shock Absorber\n2005-2016 Ford F-350 Super Duty (Rear) (Body: Standard Cab Pickup, Extended Cab Pickup, Crew Cab Pickup & Drive: 4WD / Qualifier: with Single Rear Wheels (SRW), with Rear Raised Height 0 (in))