GM Vortec Marine Spark Plugs

GM Vortec Marine Spark Plugs are high-performance ignition components designed specifically for GM V8 Vortec engines used in marine applications. These engines are commonly found in various boat models, including those from Indmar, MasterCraft, Malibu, and PCM. The spark plugs are engineered to deliver optimal combustion efficiency, ensuring reliable engine performance and longevity in demanding marine environments.

Key Features:

• Compatibility: Designed for GM Vortec engines from 1998 to the present, including carbureted and EFI configurations such as Indmar TBI, MCX, RTP, LTR, LT1, Vortec MX Plus, Predator, Malibu Monsoon, and Malibu Assault.

• Construction: Manufactured with stainless steel bodies to resist corrosion and ensure durability in the harsh marine environment.

• Plug Gap: Plug gap of 0.045", suitable for most applications.

• Set of 8: Sold as a set of eight, providing a complete replacement for all cylinders in the engine.

Please note: No returns will be accepted on installed MasterCraft parts.

Use the boat part look up below to ensure you are purchasing the correct part for your boat.