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MSD 31239 8.5mm Super Conductor Spark Plug Wire Set
From the Manufacturer
MSD Universal Kits have the only spark plug terminal and boot installed with the other end of the wire open. This way, you can route the wires the way you like and cut them for a custom fit! MSD Heli-Core Ignition wire uses a solid monel conductor that is spiral wound around a glass inner core, giving their wire the low resistance and maximum voltage capacity of solid core wire with the radio frequency (RF) reduction qualities of spiral core.
SPECIFICATIONS
- Super Conductor 2-In-1 Universal Wire Set - For 8-Cylinder Engine with Early Type (Socket) & Late Type (Hei "Spark Plug Top") Distributor Caps
WARRANTIES
- Limited lifetime warranty
Troy Martin
Reviewed in the United States on January 4, 2025
MSD Always Great Product. I have always used MSD products on our race cars with 0 failures. Will continue to use.. Highly recommend product
Rob Verch
Reviewed in the United States on June 14, 2023
Great product, used these for years
den kopacz
Reviewed in the United States on October 24, 2021
Just as advertised
Chris Hopkins
Reviewed in the United States on May 18, 2020
Ordered these so I could have my plug wires cut to a custom length and add the ends myself. When I received the product the wires had already been crimped and used with numbers written on wires in sharpie plus it only came with 7 wires.. no coil wire or 8th wire for plugs. 100 dollars down the drain.
Todd Eblin
Reviewed in the United States on December 15, 2020
I a very happy with MSD, ALL OF THEIR PRODUCTS ARE GREAT, THE PRICE IS A LITTLE MUCH FOR ME BUT YOU HAVE TO PAY FOR GOOD QUALITY. THE TIME IT TOOK TO GET HERE WAS NOT VERY GOOD, IT TOOK 5 DAYS TO GET, I GOT MY PLUGS IN A DAY AND A HALF.
David W. Johnson
Reviewed in the United States on September 6, 2017
I did not receive the straight plug boots that are pictured. I received the angled boots. I had wanted what was pictures. Wires are very long, so they should fit anything. Still haven't installed them. The video online says to use dielectric grease to aid placing the dizzy end boot on. After trying without grease, I now have to wait for grease to arrive. The kit does not have everything you need to do the job...like it says it does. Bleh.
Joseph Adragna
Reviewed in the United States on March 16, 2015
these are a little bit of work,but fit perfect,and look wonderful!
c3vette4spd
Reviewed in the United States on February 14, 2014
These seem to be very good quality wires. The set came with everything I needed to complete the job! Engine is a 355 using an msd distributor. Truck is a 72 Chevrolet 4x4. Wires route behind the heads and under the exhaust manifolds. They allow plenty of length to put the wires where they need to be for a factory finish.
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