Left Side Engine

Knucklehead

  • Knucklehead Left Side Engine Case Fits Fl 1941-1947
  • Left Side Engine Case Harley Knucklehead 1936-1940 Early El Fl Unstamped New
  • Nos1940-1946 Ul Left Gas Tank Harley Knucklehead Oil Cats Eye Engine Side Valve
  • New Replica 1936-1940 Harley Davidson El 61 Knucklehead Left Side Engine Case
  • Nos1947-1948 Ul Left Gas Tank Harley Knucklehead Oil Eye Engine Side Valve 343