5th gear layshaft replaces stock item for 750GT and early 860. This is the wider 6 fog version for 750GT & early 860 24.7mm overall thickness.
Advantages
All Vee Two gearbox components are manufactured to be interchangeable with, and of equal or higher quality than, the standard issue items for improved durability.
Material
Steel, case hardened to Rockwell 64
Ducati Part # 0755.16.083 (075516083)