Spring Adjusting Nuts
Select variant:
fits 45” 1947-1973, Big Twin 1947-1983; replaces OEM HD 37581-47
by Colony; fits 45”/750 cc and Big Twins 1941-1946; with tab washers; replaces OEM HD 7780, and 38110-41; USA
Price and stock:
Item №
80-500
Price incl. VAT
2.30 €
Available
100+
Ready for immediate delivery from our Würzburg, Germany warehouse
The price includes 0.37 € German VAT.
- Adjusting nut
- for Clutch / Spring seat
- fits 45” 1947-1973, Big Twin 1947-1983
- steel, bare
- thread: 5/16”-24
- wrench size: 1/2 ”
- replaces Harley-Davidson part number HD 37581-47
- gross weight: 20 g
A special feature of the clutches used on Harley-Davidson V-twins with 750 cc or Big Twin engines from 1941 onward were the adjustment nuts. With the slot on one end face, they engage with corresponding lugs on the spring adjustment plate. This serves as a locking mechanism on the one hand, and on the other it makes it much easier to count the individual “clicks” during adjustment than 1/4 or 1/2 turns. The nuts have a 24-thread pitch, meaning that one click corresponds to approximately ±0.5 mm. Give it a try!
Have any questions?
Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com