Taylor 75289 8mm Spiro Pro Ignition Wire Set Features: Available For Street Or Track Applications Spiro-Wound With Stainless Steel Wire Covered With A Conductive Fluorocarbon Material Provides More Fire Power To the Spark Plugs OEM Resistor Core Wires Eliminates Radio Frequency Interference Two Layers Of 100 percent Pure Silicone Height: 10.00 Width: 11.50 Length: 3.00 Weight: 3.00 lbs