Saginaw Transmission Rebuild Kit with Synchro Rings 1966-85 This kit fits all 3 and 4 Speed Manual Saginaw Transmissions This kit comes with all the Main Roller Bearings, Seals, Synchro Rings Gaskets and a Small Parts Kit. (Small Parts Kit includes: Snap Rings, Thrust Washers, Needle Bearings, etc.)