ABOUT THIS PRODUCT

The U-Groove Spark Plug features a patented U-groove ground electrode design that enhances ignitability, allowing for leaner fuel mixtures and improved engine efficiency. Crafted with precision machine-rolled threads, it minimizes the risk of seizing or cross-threading in delicate aluminum heads, ensuring a hassle-free installation. Built with a nickel center electrode tip and a flat seat type, this spark plug is engineered for durability, lasting twice as long as most conventional plugs with a lifespan exceeding 30,000 miles. Its wide range of part numbers makes it compatible with thousands of applications, including classic and collector cars, offering versatility for various engine types. Each plug is 100 percent pre-fired to guarantee reliable performance right out of the box. Whether you're maintaining an everyday vehicle or a cherished classic, this spark plug delivers OE-level performance and long-lasting dependability.

Product Features:

• Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
• Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
• Wide range of part numbers for thousands of applications, including classic and collector cars
• Lasts twice as long as most conventional plugs
• 100 percent pre-fired to assure reliable operation
• U-Groove Conventional