I bought these gears out of old dealership. I believe I know want cluster gear A and B are for. Cluster gear C I believe is for Ford I don't know want year. Cluster gear D I don't believe it is Ford gear. Thanks for all the help. Gear A 29 24 18 14 6 5/8inch Length 1.110 Dia Hole Part no. 68-7113A 1939-1940 Ford Pass ? Gear B 27 23 17 13 6 5/8inch 0.983 Dia. Hole Part no. 1A-7113 1951-1952 Ford Pass? Gear C 25 22 17 14 6 7/8inch 1.102 Hole Part no. ? Year ? Ford? Gear D 24 22 17 14 6 7/8inch Hole 1.105 Part no. ? Year? Make?
I believe: A=022A-7113-A (40-42 85HP, 39-48 100HP & 6 Cyl. 41-48 90HP Pass.) not 68-7113-A which would have a 28 tooth gear. B=1A-7113-A (51-54 Pass & 48-51 Comm. 100HP)