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gear sets and shafts
911Turbo (930) 75-89) Synchroniser ring 1st and 2nd gear
911Turbo (930) 75-89) Synchroniser ring 3th and 4th gear
Shift sleeve 1st - 2nd, 911 (915 transmission)(74-86), 911Turbo (930 transmission) (77-89)
G50 5-speed gearbox Ring and pinion, 8:32 short ratio