931M Champion Plugs Spark Plug Marine Spark Plug

931M Champion Plugs Spark Plug Marine Spark Plug Rediscover the power and reliability of your engine with the legendary 931M Champion Plugs Spark Plug. Renowned for its unparalleled performance, the Champion brand has been a leader in spark plug innovation across various engine types. Key Features and Benefits: Dependable and Durable: Built to ISO and SAE standards, ensuring proven performance and reliability. Advanced EMI and RFI Suppression: Features a patented SAC-9 semi-conductor resistor for maximum suppression of electromagnetic and radio frequency interference. Enhanced Longevity: Copper core center electrode provides accurate control of heat range, leading to a longer lifespan. Superior Corrosion Protection: Equipped with TinTac® and ULTRASEAL shell, offering the best corrosion protection of any spark plug in the industry. Perfect OE Replacement: Ideal for older automotive engines, lawn and garden applications, and similar engine types. Specifications: Reach: 1/2 Inch Resistor: No Electrode Type: OEM Electrode Core Material: Nickel Copper Alloy Electrode Tip Material: Nickel Copper Alloy Insulator Type: Non-Projected Thread Size: 14 Millimeter Seat Type: Flat Wrench Diameter: OEM Quantity: Single Backed by a limited 90-day warranty, the 931M Champion Plugs Spark Plug is your dependable choice for maximizing engine performance across a range of applications. Trust in Champion to keep your engines running smoothly and efficiently.