Features
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If the new Pro-Cap doesn’t work on your application, these MSD Cap-A-Dapts will do the trick. The MSD Cap-A-Dapt adapts a large, Ford style cap onto your MSD distributor. This large cap spaces the spark plug terminals farther apart which lessens the chanc
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![]() | 8408 - Ford HEI Distributor Cap |
![]() | 8421 - Rotor Assembly, Chevy V8 Cap-A-Dapt |
![]() | 8446 - Adapter Base, Cap-A-Dapt, PN 8445/PN 8420 |





