58-65 Panhead, 66-79 FL Shovel, 71-79 FX Shovel
Manufacturer: CCE, Carl-von-Ossietzky-Str. 8, 55459 Grolsheim, Germany, https://www.custom-chrome-europe.com
Chrome spacers have a 3/8"-diameter hole, are 1/4"-thick and fit between the Wagner-Lockheed style rear master cylinder and its backing plate.