These are the perfect upgrade for the enthusiast looking to improve performance at an affordable price, while maintaining acceptable NVH levels and ride quality. When performance is a must, rely on BMR SuspensionNOTE TCA028 is not compatible with the factory rear sway bar end links. Part number ELK006 is required to retain the rear sway bar. Designed for lowered vehicles only. Use on OE height vehicles may not provide adequate camber adjustability. Due to shortened length of these control arms, adjustable toe rods are necessary when using this product.These arms require modification to be compatible with MRC equipped vehicles.BMR Suspensions TCA028 on - car - 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.