Brush spring is for a 2-brush generator.
Fits:
FL 1958-1969
XL 1958-1981
UOM: PK
Country Of Origin: USA
OEM Cross Reference: 30453-58
Accessory Items:
32-0204 – 13 Tooth Generator Gear Kit
32-0967 – Black 12 Volt 2-Brush Generator
Measurement: Overall Length: 1-7/8 inches