1966-1973 GM Chevy Super T10 Transmission 1st Design You can identify this transmission by its aluminum case, 9 bolt side cover and 7/8" countershaft pin. This transmission does not use a bearing between 2nd and 3rd gear. This kit includes all new bearings, seals, gaskets, o-rings, small parts kit and high quality brass synchro rings. This small parts kit includes all the snap rings, washers, needle rollers, etc.