you should be able to find the plug ends and crimper on-line. Custom wire sets are sold with the ends un-attached. The connector and boot come with the set, but I am sure you can buy them somewhere. Pretty simple to do. If your lines are shielded, you'll need to strip it back and be sure it doesn't contact the connector.
Be sure that you get non-resistor plugs to use with the mag.
Larry
Question about the recommendations against resistor auto plugs.
Aren't the stock a/c plugs resistor plugs? I can't ever remember checking the actual resistance of an resistor automotive plug in a car (it's been at least a decade since I had to change one), but I do know that a/c plugs are expected to have at least 1k-1.5k of resistance when new.
So what's the straight scoop?
Charlie
http://www.qaa.com/resource-center/tempest-tech-tips/tempest-tech-tips-the-right-way-to-check-spark-plug-resistors
I believe slick mags and to a lesser extent CMI S-20 series mags will run quite hot if solid core wires and non-resistor plugs are used.
I wonder if one reason you see automotive wire with automotive plugs is the noise issue. IIRC, a/c plug wires are solid core. Solid core wires radiate a lot of RF energy, hence the shielding. Automotive carbon core or spiral wound plug wires don't radiate (at least not like solid core wire) so the shield isn't needed. Think about the electrical havoc that would be wrought in a car, if there wasn't *some* kind of magic in the plug wires; there's a lot more energy in them than in a/c magneto wires.
Point is, you might need those metal shielding cans if you retain the stock wires when using auto plugs.
Charlie
The comments about mags not having any where new the power as electronic ignition is not spot on as a mag at 2700 rpm has as much or more spark as EI.The resistance of the plug is to stop plug erosion and for the spark to jump a wider gap.Now the problem with mags is at low rpm it doesn't have much spark for starting that's where the impluse comes in to produce more spark at low rpm.
Bob
I wonder if one reason you see automotive wire with automotive plugs is the noise issue. IIRC, a/c plug wires are solid core. Solid core wires radiate a lot of RF energy, hence the shielding. Automotive carbon core or spiral wound plug wires don't radiate (at least not like solid core wire) so the shield isn't needed. Think about the electrical havoc that would be wrought in a car, if there wasn't *some* kind of magic in the plug wires; there's a lot more energy in them than in a/c magneto wires.
Point is, you might need those metal shielding cans if you retain the stock wires when using auto plugs.
Charlie