M22 M20 M21 3sp
1st gear ratio 3.74 3.05 2.54 2.48
clutch gear 9930921 9930923 9930924
clutch gear – 253 9930922
1st gear 2813489 2813489 2813489 7434308
2nd gear 2813490 2813490 2813490 7433830
3rd gear 2820696 2813491 2813492
4th gear
cluster gear 2820694 2813496 2813487
reverse gear 2813525 2813525 2813500
1&2 synch 2813515 2813515 2813515 7435045
3&4 sync 7435044 7435044 7435044 7435044
counter gear shaft 3775061 3775061 3775061
Ring – blocking 7434978 7434978 7434978