SDPC Bronze Distributor Gear
These drive gears are made from high silicon copper alloy
(aluminum-bronze) and precision machined.  They are required
when using an 8620 steel billet cam.

     
Part #
Manufacturer
Product Name
Price
SD8471
Scoggin Dickey Parts Center
Chevrolet V8 MSD Distributo, 0.500" Shaft
$25.95
SD412
Scoggin Dickey Parts Center
Chevrolet V8 Stock GM Distributor, 0.491" Shaft
$25.95