Sierra Spark Plug Wire Set MC84-816608Q81 18-88221 | 24

Sierra Premium Marine Spark Plug Wire Set #18-88221

• Replaces Mercruiser OEM: 84-816608Q 81.
• Mercruiser - Black Scorpion SKI, Gen+, 350, MX 6.2 Black Scorpion SKI, 8 cylinder, Delco HEI ignition
• 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
• Thunderbolt type ignition