*** IN STOCK SHIPS TODAY *** RBS stocks a large selection of magneto drive parts to fit most all racers needs. This is a bronze drive gear to be used with most Hemi mag drives single or dual. It uses the industry standard .500" shaft with a .125" keyway and drilled to accept the steel roll pin.
Shown in the picture but sold separate of the #2500-0083E is the wear plate. If the racer wants to purchase it part number is #2500-0097 which includes the two 8/32" cap screws.