The Ford-style cap has a provision for the coil wire to be routed in separately and this cap will fit a stock Ford distributor.

MSD molds our most popular V8 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 with excellent dielectric properties. Includes wire retainer as well.

HEI stands for “High Energy Ignition” or, Electronic Ignition.