Part# 10080. Dodge / Chevy 4x4 Bushing Adapter Kit for the Brake lathe. (Does 3/4 & 1 Ton). This specialized adapter was developed for Dodge and Chevy spline front rotors on late model 4x4 trucks. The heavy duty backing plate and front bushing takes all the guesswork and frustration out of mounting the rotor onto your 1" arbor brake lathe.