CDI Electronics 631-0004 Spark Plug Wire Set for MerCruiser 8-Cylinder Inboard/Outboard Engines

The CDI Electronics 631-0004 is a high-performance spark plug wire set designed specifically for MerCruiser inboard/outboard (I/O) 8-cylinder marine engines. This complete replacement ignition wire set delivers reliable spark transmission to ensure optimal engine performance and smooth operation on the water.

Key Features:

• Complete 8-wire set for V8 marine applications
• High-performance bulk wire construction for superior conductivity
• Durable silicone jacketing resists heat, moisture, and marine environment corrosion
• Distinctive blue color for easy identification in the engine bay
• Direct-fit replacement for MerCruiser I/O engines
• Marine-grade construction built to withstand harsh saltwater and freshwater conditions

This spark plug wire set provides a cost-effective solution for restoring ignition system performance, reducing misfires, and improving fuel efficiency. The silicone insulation offers excellent dielectric strength and temperature resistance, making it ideal for the demanding marine environment where heat and moisture are constant challenges.