This is a replacement Team Associated TC6 Gear Differential Seal Set, and is intended for use with the Team Associated TC6 1/10 touring car equipped with the optional TC6 Gear Differential (ASC31344). This package includes one crown gear seal, two large o-rings and two small o-rings. This item fits the following: Team Associated TC6 Team Associated TC6.1 Team Associated TC6.2 Team Associated TC7 Team Associated TC7.1