Hi, I have a 95 Fatboy and would like Brass filler caps. will these screw straight in or do I need the aluminium bungs?
Good Day,The caps you are asking about are not going to work for your stock softail gas tank and I do not know of any type of adapter to make them work . That brass cap will fit some oil and gas tanks that we have on our website and would be an alternative to the aluminum caps we have . They are 1 5/16" for the thread diameter and 12 threads per inch.