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 RS55300 Shock Absorber\n2004-2012 Chevrolet Colorado (Front) (Front Spring: Torsion Bar / Qualifier: with Front Raised Height 0 (in)); 2004-2012 GMC Canyon (Front) (Front Spring: Torsion Bar / Qualifier: with Front Raised Height 0 (in))