Sierra 18-8839-1 Wiring Plug Set - 90 115 HP Outboards 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 Interchangeable with Mallory 9-28092 California Residents WA