MSD Ignition 34043 Super Conductor Wire Features: Super Conductor Wire 8.5mm Incredibly Low Resistance Without Interference Copper Alloy Conduct Less Than 50 Ohms Resistance Ferro-Magnetic Impregnated Core Creates EMI Choke DuPont Kevlar Material For More Tensile Strength Black Wire Color Height: 9.00 Width: 17.50 Length: 11.50 Weight: 6.60 lbs