Transmission Sprocket Nut and Lock Plate For 71-84 Ironhead Sportster
Fits 6 spline transmission mainshaft on XL models from 1971 to early 1984
- 1957-1984 (Early) Ironhead transmissions have a 6-spline shaft
- 1984 (Late)-1990 Evolution transmissions have a 19-spline shaft
- Includes nut with locking tab plate
- Thread size: 7/8″-20
- OEM: 35047-71A