HD-OEM: 47500-78Part Number: 51-0908 UOM: 1 - EA Summary:Chrome frame swingarm is for 4-speed chain drive models. Swingarm has shock mounts welded 3/4" back for 1-1/4" lowering. Bearings and races are not included. For use with banana style caliper only. Tabs for chain guard are 10-1/2" apart center to center. *Note: UPS may consider this part as packaged " oversize" for shipment, as compared to the actual weight, which will result in higher shipping costs.Finish: Chrome Fitment: FX 1973-1984 FL 1973-1984 Country of Origin: Imported