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 RS55043 Shock Absorber\n2005-2022 Ford F-250 Super Duty (Front) (Drive: 4WD / Qualifier: with Rancho Suspension System, with Front Raised Height 2.5 (in), Use with Rancho RS66553B, RS66555R9 System(s)); 2005-2022 Ford F-350 Super Duty (Front) (Body: Standard Cab Pickup, Extended Cab Pickup, Crew Cab Pickup & Drive: 4WD / Qualifier: with Rancho Suspension System, with Front Raised Height 2.5 (in), Use with Rancho RS66553B, RS66555R9 System(s))