Bushing kit for use with Proma Star, Ultra Ride, Aluma Matic and Pro Coil System shocks. QA1 offers two bushing kits for our drag racing, street performance and street rod shocks. Part #B6031K kit consists of (2) two-piece urethane bushings, (2) 1/2'' sleeves, and (2) 5/8'' sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock.