MSD Super Conductor Spiral Core 8.5 mm Spark Plug Wire Set - Red - Straight Plug Boots - HEI Style Terminal - Big Block Chevy 31779 BSB Manufacturing Cast Aluminum

Cast Aluminum

2003-2019 Chevrolet Express 3500

It allows user to pick between 1: 1 or progressive secondary ratio

11/32" valve stem size

COMP Cams offers a simple but effective solution to this problem

MSD Super Conductor Spiral Core 8.5 mm Spark Plug Wire Set - Red - Straight Plug Boots - HEI Style Terminal - Big Block Chevy 31779 BSB Manufacturing Cast AluminumThe 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