These are the perfect upgrade for the enthusiast looking to improve performance, while maintaining acceptable NVH levels and ride quality. When performance is a must, rely on BMR SuspensionBMR Suspensions TCA034 non - adjustable polyurethane lower control arms are available in red and black hammertone powdercoat for long - lasting good looks. Installation time is about 1 - 2 hours. Proudly made in the U.S.A.Control arm hardware kit RH002 (includes upper and lower control arm hardware - Highly Recommended) is also available.