SuperPro - Rear Control Arm Upper Inner Eccentric Bush Kit - GR86, GT86 & BRZ - SPF3101KSuperPro bushes offer the advantages of more superior cornering, stability, steering and braking, reduced NVH, greater durability, easy fitment and cost efficiency with every item backed up by SuperPro's exclusive Research & Development and customer technical support. SuperPro polyurethane bushings are backed by a 3 year 60000km warranty from the date of purchase against faulty manufacture or performance. Where required all SuperPro kits contain a