MSD Super Conductor Spiral Core 8.5 mm Spark Plug Wire Set - Red - Factory Style Boots / Terminals - Small Block Chevy Tow Ready Replaces GM # 12554990 &

Replaces GM # 12554990 & 11515758

1985-1991 GMC C2500

2013-2016 Ford F-350 Super Duty Platinum Crew Cab Pickup

This assembly is then installed into the precision housing and is potted with a fracture resistant epoxy compound

achieved with an installation that takes under an hour

MSD Super Conductor Spiral Core 8.5 mm Spark Plug Wire Set - Red - Factory Style Boots / Terminals - Small Block Chevy Tow Ready Replaces GM # 12554990 &The 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