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- Simplify your installation with an MSD GM HEI Wiring Harnesses
- Connects an MSD 6-Series Ignition Control to a GM HEI Distributor that uses a 5-pin or 7-pin module
- Harness cannot be used on HEI distributors with a 4-pin module
- Your MSD GM HEI Wiring Harness is covered by a limited warranty
Should you ever find the need to install your MSD 6-Series Ignition Control to a GM HEI Distributor, an MSD GM HEI Wiring Harness comes in real handy. You can count on a brief installation period and get back on the road in no time.
Designed exclusively for HEI distributors using a 5- or 7-pin module – but not a 4-pin – your MSD GM HEI Wiring Harness carries a limited warranty.