Sifton 4-Speed mainshaft is original style.

VT No: 17-0144
OEM No: 35039-80
Sifton 4-Speed mainshaft is original style.
Fits:
FL 1980-1984
FX 1980-1984
UOM: 1 - EA
Country of Origin: Imported

Manufacturer: Sifton
2018 Catalog pages: 538, 539
Measurements 

2017 Catalog Page: 542

V-Twin Manufacturing Part Number: 17-0144
Manufacturer:
Manufacturer Part Number:

Harley-Davidson & Indian OEM Cross Reference Part Numbers: 35039-80