The Mighty Knucklehead O.H.V. Motor Service Manual Factory service manual contains all information needed on the 1940-1947 Knucklehead, 74" & 80" Flathead. $39.99 Add to Cart Compare
Factory Service Bulletin Shop Dope - Vol. 3 for 1941-1956 Factory Service Bulletin, Shop Dope Vol. 3 for 1941-1956 is a compilation of tips from the factory to the dealers and is great for trouble shooting. $35.99 Add to Cart Compare
