PART NUMBER: 8445. If the new pro-cap doesn't work on your application, these MSD cap-a-dapt will do the trick. The MSD cap-a-dapt adapts a large, Ford style cap onto your MSD distributor. The rotor is injection molded out of Rynite?.
MSD Performance 82933 Distributor Accessories
MSD Performance 84211 Distributor Accessories
MSD Performance 8482 Distributor Accessories
MSD Performance 84315 Distributor Accessories
MSD Performance 8017 Distributor Accessories
MSD Performance 8541 Distributor Accessories