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Product Review
- DIAMONDFIRE TECHNOLOGY: Features a patented ground electrode secured with three legs to the shell, improving heat transfer and increasing turbulence in the combustion chamber for optimized engine efficiency and smoother performance
- MORE POWER AND FUEL EFFICIENCY: E3 Spark Plugs deliver up to 12% more power and up to 13% better fuel economy in small engines, and up mid-single digits on automotive applications, helping to enhance overall engine performance and reduce fuel consumption across a wide range of vehicles
- 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
- ENHANCED DURABILITY AND FIT: Built with a Yttrium-enhanced alloy that lowers side wire temperature by up to 8% to prevent pre-ignition, with precise specs including 14mm thread diameter, 0.460-inch thread reach, gasket seat, and 5/8-inch hex size
- 5-YEAR WARRANTY: Engineered for long-lasting performance in a variety of late-model and import vehicles; includes a 5-year or 100,000-mile limited warranty for added confidence and reliability
