1940-54 Cylinder Head Insert Manifold Harley Panhead Knucklehead K model Sportst1940 54 Cylinder Head Insert Manifold Harley Panhead Knucklehead K model Sportst Part #: 7119 2 Fitment: 1953 Harley Davidson Hydra Glide FL 1953 Harley Davidson Hydra Glide FLF 1952 Harley Davidson Hydra Glide FL 1951 Harley Davidson Hydra Glide FL 1950 Harley Davidson Hydra Glide FL 1949 Harley Davidson Hydra Glide FL 1953 Harley Davidson K V Twin 45 1956 Harley Davidson KH V Twin 55 1955 Harley Davidson KH V Twin 55 1954 Harley Davidson KH V Twin