Featuring a unique, exclusive valving system and advanced compression functionality, Rancho�� RS5000���X shocks deliver improved overall on- and off-road handling and performance. Rancho RS5000X RS55285 Shock Absorber 2004-2008 Ford F-150 (Rear) (Drive: RWD / Qualifier: with Rear Raised Height 0 (in)); 2006-2008 Lincoln Mark LT (Rear) (Drive: RWD / Qualifier: with Rear Raised Height 0 (in))