Sierra 18-8811-1 Premium Marine Spark Plug Wire - Set

The Sierra 18-8811-1 Premium Marine Spark Plug Wire Set is engineered specifically for marine applications, delivering reliable ignition performance in harsh saltwater environments. Designed for Thunderbolt-type ignition systems, this complete wire set provides superior conductivity and protection against the extreme conditions found on the water.

Key Features:

• Kevlar® reinforced core construction provides maximum durability and extended service life in demanding marine conditions
• Durable stainless steel wound conductor ensures maximum horsepower output and optimal engine performance
• Magnetic suppression core manufactured for specific marine engine applications
• Premium silicone jacketing and boots deliver ultimate high-temperature protection and flexibility
• Superior RFI (Radio Frequency Interference) suppression protects sensitive marine electronics and communication systems
• Corrosion-resistant stainless steel terminals at both spark plug and distributor ends ensure maximum conductivity in saltwater environments
• OE-style boots create a sealed barrier against heat, dirt, and moisture intrusion
• Compatible with Thunderbolt-type ignition systems

This premium wire set combines advanced materials and marine-grade construction to deliver reliable ignition performance, improved fuel efficiency, and protection against the corrosive marine environment. The stainless steel components resist rust and corrosion, while the silicone jacketing remains flexible even in extreme temperatures.