SPIRO-PRO OUTPERFORMS THE COMPETITION IN BOTH LOOKS and PERFORMANCE!spiro-Pro 8mm Wire is the top choice of racers and enthusiasts due to its affordable value and overall high performance features. Spiro-Pro's 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 600° F. Taylor Cable's SPIRO-PRO wire consists of a high conductive spiral wound core with a Stainless Steel wire and covered with a fluorocarbon conductive material. Spiro-Pro features 350 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. Spiro-Pro eliminates radio frequency interference (RFI) and is recommended when using a multi spark discharge, electronic ignition systemsand other electronic components. Features Taylor Cable's EXCLUSIVE low profile 100% silicone PROBOOTS® with vibration proof double spring locking spark plug terminals. Choice of 8 vibrant colors in Universal Wire Sets; Black, Blue, Red, Purple, Yellow, Hot Orange, Hot Lime, and Grey.Pit Stop USA offers Taylor 8mm Spiro-Pro Universal Spark Plug Wire Set - Grey - 180° Boots 53855 at low everyday prices. Be sure to check out all of our products from Taylor Cable Products including Taylor Cable Products 8mm Spiro-Pro Wires.