Ford Mustang Rear Lower Control Arms And Single Upper Control Arm Kit 05-10 PART #2523 FEATURES: Improves Traction for Better Launch and Handling Complete Kit Includes Both Lower Control Arms and Upper Control Arm Durable Polyurethane Bushings Black Powder Coat Finish Easy Bolt-On Installation VEHICLE FITMENT: 2005-2010 Ford Mustang GT, V6 and Bullitt 2007-2010 Ford Mustang GT500 Bolt On Better Traction The 2005-2010 Mustang BBK Gripp Rear Control Arm Kit eliminates deflection for firmer launches and much improved handling characteristics. These control arms eliminate deflection in 2 ways. The strong boxed steel tubing is much less flexible than the bent sheet steel factory control arms and polyurethane bushings are a higher durometer (stiffer), which cuts down on bushing deflection. The addition of the BBK upper control arm helps further eliminate deflection, keeping the rear axle squared to the chassis for maximum handling performance. Durable Construction BBK S197 Mustang rear control arms (trailing arms) have many features, including precision robotic welding, baked on powder coated finish, polyurethane bushings and zerk fittings for easy servicing. Easy Installation The BBK Gripp lower and upper control arms bolt in using your factory hardware. Most home mechanics with a basic set of tools can accomplish the swap in approx. 3-4 hours