901/10 is a 4 speed, A-HB-S-Z.

69S would have had as standard 901/07 before Nov 68 and 901/13 after. A-F-M-S-Z.

Of course you could order anything, kardex will reveal the original chassis number. Porsche dealer can look up the chassis by transaxle number if you find one friendly enough to do the lookup.

andy