Sierra 18-8802-1 Premium 8 Cyl Spark Plug Wire Set For 8 cylinder GM based engines with conventional ignition systems. Key Features Kit includes coil wire. Kevlar core for maximum durability and long life. Durable stainless steel wound conductor for maximum horsepower and engine performance. Premium silicone jacketing and boots for the ultimate in high temperature protection. Superior RFI suppression for the most sensitive electronic system. Corrosion resistant stainless steel spark plug and dis