The MSD universal coil wire replacement is made with our black Super Conductor wire. 90 degree terminals and HEI boots are installed on both sides. A power tower is also supplied to adapt a socket style cap. The MSD 8.5 mm Super Conductor wire is the performance wire. Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference. In a single 12 In. length of Super Conductor wire there is only 40 to 50 ohms of resistance. That is the lowest resistance of any helically wound wire.