The XMods Evolution Touring Alloy Rear Knuckle Arm With Delrin Colla& Screws 1pr set produced by GPM, is classified in XMODS EVOLUTION (TOURING) ALLOY BACK KNUCKLE ARM WITH DELRIN COLLARS & SCREWS - 1PR SET - GPM XME022 *6x10x0.95 DELRIN SHIMS usage FOR 6x10x2.5 BEARING *6x10x3 DELRIN BUSHING MATCH KNUCKLE (EXCLUDE DELRIN SHIMS)