E3 Spark Plugs E3.81 Premium Automotive Spark Plug with DiamondFIRE Technology for Improved Performance, 12mm, 1.000” Reach, Gasket Seat Pack of 1

E3 Spark Plugs E3.81 Premium Automotive Spark Plug with DiamondFIRE Technology for Improved Performance, 12mm, 1.000” Reach, Gasket Seat Pack of 1

• FOR DOMESTIC APPLICATIONS: Designed to fit a wide range of domestic vehicles, this spark plug enhances power, improves fuel economy, and reduces harmful hydrocarbon emissions, making it ideal for various engine types and models
• DIAMONDFIRE TECHNOLOGY: Patented side-wire electrode delivers a faster, more complete burn, producing up to 4%-12% more power and up to 3%-13% better fuel economy depending on engine class
• LOWER EMISSIONS: The more complete burn helps to reduce emissions, minimize carbon buildup, promote cleaner combustion, and support compliance with modern environmental and emissions standards
• VERSATILE COMPATIBILITY: Widely used in various automotive and truck models, delivering improved power output, smoother acceleration, and reduced fuel consumption across many engine types
• LONG-LASTING PERFORMANCE: Includes a 5-year/100,000-mile limited warranty for long-lasting use and dependable performance without frequent replacements