Parts-Wise
gear sets, shafts
92830421123
Synchroniser ring, 993 (94-98) 3th, 4th, 5th, 6th, and reverse, 996Turbo (01-05) 3th, 4th, 5th, 6th gear, 996GT3 (99-05) 3th and 4th gear, 997GT3 (07-11) 6th gear.
92830421130
synchroniser ring 964 (92)3th and 4th gear(G50.10 gearbox), 993 (95) 3th, 4th, 5th, 6th, and reverse (G50.32 gearbox), 996GT3 (99-05)5th and 6th gear, 997GT3 / GT3RS (07-11) 3th and 4th gear, 997Turbo / GT2 3th, 4th, 5th, 6th gear (G97.88 gearbox)
95030291124
993 (94-98) Ring gear and pinion shaft 32:8, for 6-speed gearbox. (G50.20/21 and G50.31/32/33)
95030402123
993 (95-98) Guide sleeve complete 3th-4th gear, 996Turbo/GT2/GT3 (99-05), 997Turbo/GT2/GT3 (07-12) Guide sleeve complete 5th-6th gear