Fast Eddie
VIP MEMBER
- Joined
- Oct 4, 2013
- Messages
- 22,984
Looks like a Triumph cylinder barrel to crank case stud nut to me ? They have smaller spanner (wrench) size than would be normal for the thread size.Yes, it fits through the spring fine. I did think I might have had to grind the corners off the nut but there was no need.






