OEM Springer Riser Stud Adapter 5/8"-18 X 1/2"-13

This pair of riser studs is 1/2" X 13 TPI thread inner diameter.  Outside Threads match stock OEM FXST Springers, External Threads: 5/8" x 18.  These will not work on most aftermarket springers. These riser studs will allow you to install most aftermarket springer risers, HOWEVER, different mounting hardware may be required. 

Hole depth: 1.033"
Overall length: 2.033"
Nut length: 1.011"

Fits:
FXSTS 1988-2006