MSD Coil Interface Module # MSD8870

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Coil Interface Module, GM Distributorless Ignition, Each Trigger Style:Crank triggerQuantity:Sold individually.MSD Coil Interface ModulesMSD coil interface modules maintain maximum ignition performance. These modules go between the factory GM ignition module and coil packs. They have color-coded wires that connect to the DIS wiring, are molded using Arathane polyurethane for its high-dielectric strength, and connect directly to the factory terminals.ABOUT US Show more