This bolt utilizes a left hand 7/16" thread that goes into the center of the cam hub on most belt drives.
Made from billet heat treated steel for strength and black oxide finish for corrosion protection.
Fuel pump drive bolt measures 1.510" overall, .880" under the head and female hex is .375" deep.
Magneto drive bolt measures 2.250" overall, 1.625" under the head and female hex is .375" deep.
Drive bolt should work with any belt drive that uses a 7/16" left hand thread in the cam hub.
Racer can pick fuel pump or magneto drive bolt from drop down menu.