A. "Overhaul" kits contain: All paper gaskets, rubber seals, rubber o-rings and "D" rings, metal clad seals, metal or teflon sealing rings.
B. "Master" kits contain: An "Overhaul" kit (mentioned above), all frictions and steel plates, and all the bonded rubber molded pistons throughout the transmission..
C. "Master- Less Steels" kits contain: Everything mentioned in a "Master" except the steel plates. Sometimes called "banner" kits.