HD-OEM: 37909-90Part Number: 18-8261 UOM: 1 - EA Summary:Internal clutch retaining ring.Fitment: FXST 1991-UP FLST 1991-UP FLT 1991-UP FXD 1991-UP FXR 1991-1994 Measurements: Diameter: 2-1/6" Country of Origin: Imported