911 (74-86), 911 Turbo (75-88) Synchro brake band 1st gear
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gear sets and shafts
Stop synchro brakeband, 911 (74-86) 1st gear, 924 (76-85) 1st, 2nd and 3th gear, 928 (78-86) 1st gear.
Stop synchro brakeband, 911 (74-86), 911Turbo (75-89) 2nd gear,
Synchroniser ring, 911 (87-94) 3th, 4th, 5th and reverse, 928 (83-86) all gears, 928 (87-95) 4th and 5th gear
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)