Fits 2005-2011 Mustang GT, 2005-2014 Mustang GT with auto transmission, and 2005-2014 Mustang V6 Standard equipment on 2007-2014 Shelby GT500, 2013-2014 Mustang GT with Track Pack, and 2011-2014 Mustang GT with manual transmission Increased bushing durometer and stiffness for high performance applications For race applications see tubular control arm kits M-5649-S or M-5649-R1 NOTE:some factory fasteners are one time use. Please reference service manual for reuse information and correct torque specifications.