33031-80 Transmission Gasket & Seal Set, 4-Speed Big Twin 1980-1986

This Athena transmission gasket and seal set is specifically curated for late-model 4-speed Big Twin transmissions produced between 1980 and 1986. It fits a variety of models including FX, Softail, and Touring bikes from that era. Replacing OEM 33031-80, this kit provides all the essential gaskets and seals needed to address leaks or complete a transmission rebuild. These components are manufactured to high standards to ensure they can handle the demands of a heavy-duty drivetrain. For any mechanic working on these transitional 4-speed models, having a complete set of reliable seals on hand is the key to a successful and leak-free repair, keeping your classic Harley-Davidson performing reliably on every ride.