Part Description
C. Diaphragm clutch springs All Pro Clutches and Primo Belt Drives that were supplied with a clutch use the same diaphragm spring., Easy-on-the-hand spring, for stock motors only, black (Primo 2059-0001)
Text excerpt from the catalog:
Pro Clutches are also used in many Primo Belt Drives. Apart from friction and drive discs, these are the most common replacement parts. Your Pro Clutch or Primo Belt drive is supplied with an exploded view with part numbers, reason why we also list Primo part numbers. For reference we pictured the Pro-Clutch for 4-Speed Big Twin, ZPN701151.
