These black petcocks fit any Harley-Davidson tanks listed below as well as any aftermarket chopper gas tanks that have a 22mm petcock bung. These are high flow petcocks, with a reserve and mesh fuel filter screen, and have a 90 degree right hand outlet for your fuel line. 45mm outlet for fuel line, is for 5/16" hose. Harley Davidson fitment:
FL 1975-1984
FX 1975-1984
FXST 1984-1994
FLST 1986-1994
XL 1975-1995
FXR 1982-1994
FXD 1991-1994