TRC3095 includes not only an upgraded bushing assembly for the rear of the front lower control arm replacing the soft and heavily voided factory item - it is a geometry optimized kit adding anti-lift spacers and hardware as well as an offset bushing design for additional positive caster. Together the anti-lift geometry and positive caster deliver a significant increase in cornering grip, steering feel and weight, initial turn-in and traction.. SuperPro 2008 Subaru Impreza WRX STI Front Lower Inner Control Arm Bushing - Anti-Lift/Caster 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. HD End Link Set

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