Mainshaft Spacers

2 produits

Our mainshaft spacers for Harley-Davidson — listed under Transmission — are the same precision spacers used to set mainshaft endplay on classic Harley-Davidson transmissions. Iron Stable is run by Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, and this very small section is supplied by MCS. Fitment covers 1941–1973 45-inch Flathead Harley-Davidson transmissions. A correctly shimmed mainshaft keeps any vintage Harley-Davidson gearbox shifting cleanly. Browse the full range below.