HD-OEM: 18219-83Part Number: 11-0811 UOM: 1 - SET Summary:Upper valve collar set for Evolution and TC-88 models. Set of four.Fitment: FXST 1984-2004 FLST 1986-2004 FXR 1984-1994 FXD 1991-2004 XL 1986-UP Country of Origin: USA