Now Available from BBK 05-13 Mustang rear performance lower control arm (2pc) kits and 05-10 Lower & upper (3pc)control arm kit provides firmer launches and much improved handling characteristics. Stiff boxed steel construction and firm polyurethane bushings provide increased stiffness over stock. These are specific Kits Designed to work on all 2005-2013 Ford Mustang, V6, GT and GT500 applications, The kits are available as follows: Part# 2523* is a 3 pc Kit - 2 lower Control arms and 1 upper control arm and fits all 05-10 Mustang Models Part# 25215** is a 2 pc Lower control arm kit - that fits ALL 05-13 Mustangs These Control arms all feature such highlights as precision robotic welding, baked on powder coat finish and polyurethane bushings, complete with grease-able zerk fittings. All kits come with complete installation instructions.