16 tooth large gear - 88.35mm OD
6 bolts hold on the gear.
19 splines on shaft opening - 19.75mm ID
3 mounting studs with nuts - center to center distance: 42mm
Additional 2 studs coming from case - center to center distance: 48mm
Shift rod - Approx. length: 48mm
This is an aftermarket part, and each bike has different design.
Please check all measurements and compare with old one before the purchase.