Parts fit all 1937 and later 45CI, 74CI & 80CI Sidevalve engines, unless otherwise specified.
*for best results we recommend to flow intake ports and use oversize intake valves, high compression heads and M51 style or Mikuni carburetor.
Parts fit all 1937 and later 45CI, 74CI & 80CI Sidevalve engines, unless otherwise specified.
*for best results we recommend to flow intake ports and use oversize intake valves, high compression heads and M51 style or Mikuni carburetor.