SuperPro Rear Control Arm Lower-Inner Bushing Kit (Motorsport) | Multiple Fitments (SPF3952-90K)Superpro Rear Control Arm Lower Inner Bushing Kit (Motorsport) Part #: SPF3952 90K Overview The SuperPro Rear Control Arm Lower Inner Bushing Kit is designed to enhance the performance and durability of your vehicle's suspension system. Crafted for a variety of fitments, this kit is ideal for enthusiasts and professionals seeking to improve handling response and ride quality. These bushings replace the original rubber components with high quality,