Fitments
85-86 4-speed Big Twin with rear belt drive (NU)
Part Description
Andrews, 4-speed transmission mainshaft
OEM replacement reference 35039-85 and *35039-84, *35039-84A. *Note: 978503 is for 85-86 B.T. with belt. The 978503 replaces 35039-85... but will also replace 35039-84/35039-84A. These mainshafts are identical but the 35039-84/A uses a different clutch hub key. When installing the 978503 make sure you use the matching 901385 / 37523-85 clutch hub key. High end racing quality has been the Andrews standard for decades. Components you can trust. All are made of the highest quality steel, heat treated for strength and ground to precise dimensions.
