BO759 CHAIN GUARD STUD INSIDE NUTS. SET OF 2. FOR 1912 TO 1920 HARLEY JD

Part BO759   Chain Guard Stud Inside Nuts 

Fits 1912 to 1920 Harley JD's
These have a 1/4-24 thread to match our studs (472-12)

These are the thin nuts that are found inside the left hand engine case that secure the chain guard mounting studs (part 472-12)  The sit in two recesses inside the case.  The studs must be threaded in and then the threads spiked / mushroomed to be sure they don't come loose in the case.