MSD Plug-in Harnesses are handy for quick installation on late model vehicles. MSD 6-Series Ignitions set the standard for quick starts, increased power, smooth idle, crisp throttle response and reduced spark plug fouling. MSD ignitions are available in a several styles and install easily in a. The harnesses plug directly into your factory coil and harness then four color coded wires plug into the corresponding wires of the MSD. Two wires go from the MSD to the battery and you're done with no cutting or splicing!. HEI Conversions By Al Campion, AutoReWire.com So you have decided to convert to an HEI distributor. Here is the long and short of it. The short of it: Just remove the existing point distributor and coil and install the new HEI distributor..
Amazon.com: ACCEL 170072 HEI Battery and Tachometer Pigtail Harness ... Amazon.com: ACCEL 170072 HEI Battery and Tachometer Pigtail Harness: Automotive