Manton Rocker Arm Adjuster Nut 7/16-20

Threads are 7/16-20, wrench size is 1/2" and O.D. of the nut has been turned down to .620" for clearance on the rocker arm.

Nuts are sold each. If racer is looking for the same nut but with a .700" flange be sure to check out part number #450-0017TP.