Idler Gear Parts

3 products

Our Idler Gear Parts for Harley-Davidson cover the gears and supporting components used in the cam chest of classic Big Twin and 45-inch Flathead Harley-Davidson engines. Supplied through Iron City Motorcycles, an Iron City authorised HD dealer in Leeds, the range focuses on 1936 to 1969 OHV Big Twin and 1937 to 1973 45-inch Side Valve Harley-Davidson engines, supporting rebuilds on Knucklehead, Panhead, Shovelhead and WL-era machines. Parts come from MCS, S&S and Jims, all trusted names in vintage American V-twin rebuilds. Whether you are refreshing a tired cam chest, piecing together a long-term project, or sourcing spares for a ground-up restoration, every idler gear part here is selected for correct fit within the original Harley-Davidson gear train design. Browse the full range below.