10mm thick High Performance LS Racing Spark Plug Wires Get more Spark to your Plugs with a set of High Performance Ignition Wires only 500 OHMS of Resistance per a foot Spiral core eliminates radio frequency interference (RFI) and is recommended when using a multi spark discharge, electronic ignition systems and other electronic components. Features two-layer 100% silicone inner core & outer jacket keeps the wires flexible for the life of your vehicle maintaining its vibrant color with heat protection to 600º F. 500 ohms per foot resistance which provides more fire power to the spark plugs than OEM resistor core wires and has up to 10 times less resistance than standard resistor core wires Consists of 10mm thick wires pre-crimped spark plug wires. Great fat spark plug wire replacement for your LS engine. Built to meet or exceed OEM specifications. Great replacement for old worn out spark plug wires. Ton's Performance wires are built with a spiral wound alloy conductor with a high dielectric insulator, and 2 layers of silicone with final thickness of 10mm to protect against heat and tears. Ton's is one of very few companies that offers custom wires for many different applications in the aftermarket motorsports world. If you need a set of ready to install or universal wires for a custom built project, send us a message for more details.