Blox is proud to introduce Replacement Prothane Polyurethane Bushing for Billet Rear Lower Control Arms. (Fits LCA BXSS-21203, BXSS-21203 EK outer)  These bushing are made by Prothane USA. EG/DC (all positions - inner, shock and outer bushing) EK (outer postion bushings only) Includes (2) Prothane Polyurethane bushings + (1) Pin  - You will need 6 kits to replace ALL the bushing in a set of control arms, each arm has 3 sets of bushings.