MSD Super Conductor Spiral Core 8.5 mm Spark Plug Wire Set - Black - Straight Plug Boots - Socket Style - Big Block Ford / Cleveland / Modified Wiring Cover 1958-1959 GMC FM340

1958-1959 GMC FM340

Exceeds the performance requirements of API GL-5

1994-1997 GMC C2500

1968-1969 Chevrolet C10 Pickup

MSD Super Conductor Spiral Core 8.5 mm Spark Plug Wire Set - Black - Straight Plug Boots - Socket Style - Big Block Ford / Cleveland / Modified Wiring Cover 1958-1959 GMC FM340The 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