S&S, rocker arm tower stud & nut kit (8-pk)

18-23 Softail; 17-23 Touring, Trike

Includes studs & 12-point nuts. Heat treated 8640 steel. Black oxide coating. Replacement for the stock rockerarm shaft to rocker arm tower bolts. The one time installation of these studs help prevent damage to the aluminum rocker arm tower bolt threads and consequent damage of rocker arms coming loose. Especially advised when running high lift cams. Heat treated 8640 steel with a black oxide finish. Offers a 14% increase in material strength over stock bolts. 5/16-16 UNC to 5/16-24 UNF threaded.