Control Arm Lower - Inner Rear Bushing Kit, Standard Alignment - includes housing - TRC3420 Upgrade your suspension with the SuperPro Control Arm Lower - Inner Rear Bushing Kit (SKU: TRC3420). This standard-alignment kit includes housing for a precise, durable improvement in handling and longevity. Features and Benefits Enhances your vehicle's handling and performance. Unaffected by extreme temperatures, oils, water or coolant. A superior alternative to rubber: providing higher quality, quieter, longer lasting bushings. Made with SuperPro's proprietary engineering-grade polyurethane formula. Designed, engineered and manufactured in Australia. No increase in NVH; excellent material memory and high abrasion resistance that outperforms rubber. Standard Alignment - includes housing. SKU: TRC3420.