Sierra Premium Marine Spark Plug Wire Set  #18-88011

• Replaces Mercruiser OEM: 84-8136720A7, 84-816761Q7. OMC: 503750 
• GM 3.8L-4.3L V6
• Magnetic Suppression Core manufactured for your specific application.
• 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
• OE style boots provide a sealed barrier against heat, dirt and moisture