MSD Wiring Harness - MSD 6 to GM Dual Connector Coil Shifters & Components & 168 style wedge base

& 168 style wedge base bulbs only

Designed specifically for the Dirt Modified Racer

1967-1974 Mercury Marquis

TH400 / TH375 / M40 1965-87

During development

MSD Wiring Harness - MSD 6 to GM Dual Connector Coil Shifters & Components & 168 style wedge baseMSD Ignition Controls are easy to install, but we also offer several plug in Harnesses. These are especially handy for quick installation on late model vehicles! 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! The harnesses plug directly into your factory coil and harness then