I have this 1981 and up, HI-6 to GM external dual plug coil, adapter harness and I never used it.It's still in the box. I bought it from Summit and, it's been to long so I can't return it. To look and see what it is go to http://www.summitracing.com/ and the part number is crn-6000-6708. I just want to get it out of my room so make an offer and it's most likely yours. Thanks

 

I'll sell it for $10.00