Sierra 18-5230-9-1 Spark Plug WireSierra spark plug wires feature a Kevlar core for maximum durability and long life. Priced per package of 5. Durable stainless steel wound conductor for maximum horsepower and engine performance; Premium silicone jacketing and boots for ultimate high temperature protection; Superior RFI suppression for the most sensitive electronic system; Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity; Copper Core Wire Size: 7mmSize: 10"