BLOX Racing Replacement Prothane Polyurethane Bushing For Rear Lower Control Arms BLOX Racing is proud to introduce Replacement Prothane Polyurethane Bushing for Rear Lower Control Arms Updated – TOYOTA 86 / SCION FR-S / SUBARU BRZ / WRX / STi. These original high-quality Prothane bushings are direct replacements for worn-out, tired, or broken bushings. Made by Prothane USA Applications 2013 Scion FR-S, Toyota 86 2013 Subaru BRZ 2nd Gen BRZ/86 2022 2008-2023 Subaru Impreza WRX 2008-2014 Subaru WRX STi Hatchback 2008-2021 Subaru WRX STi Sedan What’s In The Box? Includes two (2) bushings for 1 single arm – you need 2x of these kits the pair of arms.