Sierra Spark Plug Wire Set MC84-616608Q61 18-88041 | S21

Sierra Premium Marine Spark Plug Wire Set #18-88041

• Replaces Mercruiser OEM: 84-616608Q 61
• Mercruiser - 260 TR, 305 LH & RH, 320 EFI, 330 TR, 350 LH & RH, 350 MAG, 420, 454 & 454 MAG, 5.0L & 5.0 I/B & LX, 5.7L, 5.7L I/B & SKI, 7.4L & 7.4L I/B, 8 cylinder, Thunderbolt 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