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Those 8.5mm SuperConductors are what I've had on the IROC for 7yrs, with FL headers, and are still going strong. They have about the lowest resistance (50 Ohms/ft) of any performance wire and are very heat resistant. You can believe that promo chit on the box, it's quite true.
On the Vette I run TPIS wires for the stock look but with much lower than stock resistance, though not nearly as low as the MSDs.
I have them on my 96, and have had problems getting them to fit snug on my rapidfire plugs. If I could do it again I would go with stock or another aftermarket wire.
Those 8.5mm SuperConductors are what I've had on the IROC for 7yrs, with FL headers, and are still going strong. They have about the lowest resistance (50 Ohms/ft) of any performance wire and are very heat resistant. You can believe that promo chit on the box, it's quite true.
On the Vette I run TPIS wires for the stock look but with much lower than stock resistance, though not nearly as low as the MSDs.
Overall I think they're good wires. I had one crack due to being routed under the EGR tube, and I can't put any wire shields on them because they will arc. You'll like em though.
After trying to find a set of plug wires to stand up to the harsh treatment my Vette puts them through, this is the only set that has lasted. I've tried stock wires, Accels in diferent sizes, and who knows how many others. Either its cross fires, melting, or just plain old quiting. The MSDs are by far the best I've owned, and will be replaced with another set when these wear out.