A Double Offset kit is used for enhanced handling performance and will deliver positive caster to both sides of the vehicle. The vehicle will have improved directional stability, crisper, more responsive steering and improved 'return to center' feel. This is a non tire wearing geometry change that has a substantial effect on a vehicles handling characteristics. Follow the installation instructions and enjoy the results!. SuperPro 2001 BMW M3 Base Front Lower Inner Rearward Control Arm w/ Caster Offset Bushing Kit. A superior alternative to rubber: providing higher quality, quieter, longer lasting bushings. Made with SuperPro's proprietary engineering-grade polyurethane formula. Unaffected by extreme temperatures, oils, water or coolant. Control Arm Lower - Inner Rear Bushing Kit-Double Offset. Designed, engineered and manufactured in Australia. Enhances your vehicles handling and performance. Lifetime Warranty. Bushing Kit

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