Parts-Wise
gear sets and shafts
91530231501
911 (72-86), 924 (76-85) Synchro thrust block 1st and 2nd gear, 928 (78-86) Synchro thrust block, 1st till 5th gear
92830202608
928 (78-82) Reverse gear shifting gear, use with reverse gear 92830230508
92830216300
928 (78-91) Transmission needle bearing for the countershaft axle and pinion gear driveshaft
92830224200
All 928 (78-95) Dog teeth for manual gearbox, fits all gears.
92830230508
928 (78-82) Reverse gear, use with reverse shifting gear 92830202608