These Panhead and Shovelhead motor mounts fit 1948-1984 Harleys. They are carved out of a 3/16 piece of stainless steel, Bent on a CNC press brake, test fit in a fixture to check for bend accuracy and fitment, then polished to a show shine. This is a true bolt on piece. These fit most aftermarket Harley Big Twin frames and stock frames although some spacing and adjusting may be required. 100% MADE IN THE USA!