Rear Springs V2, gray, 4.2 lb/in, L86, 10.75T, 1.6D To work on the RC8B3 and RC8B3e Big Bore 1:8 shocks, these springs require the #81221 Spring Collars and #81194 Spring Cups. (These spring collars and cups are included with the RC8B3.1 and B3.1e kits.) |