Transmission Mainshaft Seal Kit, 4-speed Big Twin 1982-86

This kit includes oil seals, washers and hardware for the transmission mainshaft. It is specifically developed for:Big Twin 4-speed 82-86 Athena offers the widest range of replacement engine gaskets available on the market, boasting over 40 years of experience in the field. Athena’s gasket kits are entirely engineered in Italy with a strong base of internal know-how. Each piece is produced following strict parameters imposed by manufacturers and the use of latest generation lasers guarantees perfect cutting quality.Athena performs surface treatments to compensate irregularities and follows material stress relieving processes to improve sealing in the most critical areas. Find the kit that best suits your motorbike by consulting the compatibility tables.