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Your cart is empty.The MSD 8.5 Mm super conductor wire is the performance wire. Engineered from the inside out, the 8.5 Offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference. In a single 12.5 inch Length of super conductor wire there is only 40 to 50 ohms of resistance. That is the lowest resistance of any helically wound wire. To accomplish this, we use a copper alloy conductor due to it's great voltage carrying capabilities. The low resistance results in less loss of spark energy so more reaches the spark plug. The conductor is wound extremely tight around a special center core. So tight, that there is over 40 feet Of conductor wrapped into a single foot of plug wire. This winding procedure, combined with a Ferro-magnetic impregnated center core, produces an extremely effective electro magnetic interference (EMI) choke.
Aaron
Reviewed in the United States on August 17, 2024
Easy fit to a 2003 6.0 gasser.
Connor Champagne
Reviewed in the United States on July 23, 2024
MSD is the go-to for ignition related products. I have these ignition wires installed on my 6.0 chevy and my "79 Corvette with a 406ci swap. The throttle response on both improved as soon as I started using these wires and the startup is even faster as well. Thoroughly satisfied with the performance and function of these. Just as advertised and MSD is no joke
mike g pascale
Reviewed in the United States on November 16, 2024
Good price for the product.
Dee Nice
Reviewed in the United States on October 19, 2024
The media could not be loaded.
#bruno
Reviewed in the United States on October 19, 2024
These are a must if you have aftermarket headers. End is bendable to make clearance, still would recommend heat boots as well.
Customer
Reviewed in Canada on September 6, 2019
bad
michel g
Reviewed in Canada on June 24, 2019
fit tres bien seulement 50 ohms de resistance very good
PK Wolfe
Reviewed in the United States on December 2, 2019
This is the third set of MSD wires I’ve bought in the last 20 years. They’ve always been top notch. The boots are nice and you get a pretty decent click when you make the connection. These were longer than the factory wires on my 2013 6.0L Suburban 2500 but had no fitment issues since most that extra length was in the straight boots.Factory wires measured 1400-1700 ohms and these were 47-53.
David K.
Reviewed in the United States on June 25, 2018
The cables are a little longer than the original cables on my 2001 Yukon. On the driver's side, the third cable back rubbed the steering shaft. I was able to rotate the cable to avoid the rubbing but that put the cable closer to the exhaust manifold than I liked. They worked fine for about a week. The car started running rough while my wife had the car out of town. She took it to a dealer and they found that two of the cables were bad. They didn't see any damage but the measured resistance was out of spec. They replaced the set and the car has been running fine since. I returned the set for a refund. I had no problems with the refund.
Stéphane Guillemette
Reviewed in Canada on March 17, 2018
Great fit on my 2007 LY6 engine setup!!
Monstroduc
Reviewed in Canada on August 28, 2016
On an avalanche 2005 5.3L , it created misfires. Installed the old / OEM ones back and all misfires were gone? Had high expectations from all the review hype but did not work for my truck!
David
Reviewed in the United States on April 6, 2010
Sooo I'll admit that I was very skeptical of these wires from the very get go. They come highly recommended from several of the car forums that I read and are a well known brand in aftermarket performance products category. MSD has been around for a long time it's not a fly by night operation here. The plugs were here in two days and were cheaper than the local automotive franchise stores. Did I mention that they are red? Bright red? Didn't initially do it for me but once they are in the engine I do have to admit that the look great - but lets be honest - you didn't justify the expensive wires just because they are "pretty."I drive a Chevy Avalanche with the V8 5.3L power plant. My truck just hit 90k miles and I wanted to preempt my 100k mile maintenance by getting an early start on some of the things that have never been changed on this vehicle. I have been running stock spark plugs and wires for 90k miles with no real feel/mileage drop (that I knew of) from the stocks. This is a big up to GM for installing reliable parts from the get go. UPS dropped off at 7pm and I couldn't wait for the install so I went outside and knocked it out. Now, I have to mention that on this truck, at least, the install is not 10 minutes for your average Joe Blow. I had the complete wires swapped in about 30 minutes but it was dark and I had no helper for my flashlight - OBVIOUSLY not ideal installation time. On my truck and on most GM's in this series the back (closest to the firewall) two plugs on either side SUCK. I ended up mauling the cables and metal shielding to get the plugs out. Be prepared with some pliers and some patience and probably some beer for good measure.I took the truck for a spin and it's probably a placebo but I FEEL like the truck is much more responsive. Better yet, I know that these wires should give my truck the help it needs for another 100k.Happy with the buy.
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