MSD 8408 Ford HEI Distributor Cap
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Q & A
What's in the Box
MSD molds these distributor caps in-house. These caps are injection molded from DuPont® Rynite material and feature spark plug-style terminals. These terminals offer improved locking connections and the Rynite material is extremely strong.
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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 chances of cross-fire and ionization occurring. Spark plug-style terminals are used on the cap for tight connections that will not vibrate loose.
The Cap-A-Dapts will install on most MSD Pro-Billet Distributors (except the Ford FE). Kits are supplied with a high quality cap with brass terminals, rotor and cap spacer.
547-8445 Instructions (PDF)
Ensure that you have the finest distributor cap available by using one of these MSD Extra Duty distributor caps. They're designed with performance in mind, are molded from a high-quality, voltage-insulating material, and use low-resistance terminals for maximum conductivity.
The cap and rotor of any ignition system must be considered maintenance items. Just as you change the oil and filter of your car, you should always replace the cap and rotor as a set. These replacement GM rotors are adjustable and come with the brass contact.
- Injection molded from Rynite material for incredible strength and high dielectric properties
- Stainless steel/brass rotor trip - screwed in place to handle extreme rpm and high heat conditions
- Deep molded vanes to stir up the air inside the cap to prevent spark ionization
- Screws are set deep in the housing to prevent spark scatter