Harley Davidson FHAC 8 Valve Oval Port Racer 1924 - 1928

In 1924 Harley Davidson introduced this unique 8 valve engine with oval and open exhaust port, the engine have two camshafts arrangement and a new shape cam cover that later on will be use on the JDH road bike, the frame is a keystone type here shown with the AMX carburetor and Troxel saddle....