Sierra 18-28092 V4 Outboard Spark Plug Wire Set 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 distributor terminals for maximum conductivity California Residents WARNING Cancer and Reproductive Harm - P65Warni