MSD 8.5mm Super Conductor Spark Plug Wire Set - 8.5mm - Black - 90 Plug Boot - Chevy - SB - V8 23029C Featuring a unique design concept

Featuring a unique design concept that adjusts the body diameter of the spring relative to the end coils

High output

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Grand Prix 1987-1975

Bare finish

MSD 8.5mm Super Conductor Spark Plug Wire Set - 8.5mm - Black - 90 Plug Boot - Chevy - SB - V8 23029C Featuring a unique design conceptThe MSD 8. 5mm Super Conductor Wire is "the" performance wire. Engineered from the inside out, the 8. 5 offers everything you have everwanted in a wire; incredibly low resistance without electronic interference! In a single 12 inch length of Super Conductor Wire there is only 40 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