25 Degree Frame (1937 - 1940) 28 Degree Frame (1941 - mid 1946) 30 Degree Bullneck (mid 1946 - mid 1947) Wishbone Frames (1948 - late 1954) Straight Leg Frame (late 1954 - 1957) Drop Saddle (1958 - 1964) Electric Start (1965)





About Us


Race Frame Engineering started in 1990 performing frame restoration and later reproduction manufacturing. We now produce a wide range of frames and all associated parts for all big twin Harley Davidson frames (1937 through to 1957).

Our quality assurance program ensures that all original Harley Davidson parts will fit on these high quality frames.