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 secure and 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. This spark plug is a dependable choice for maintaining optimal engine performance and efficiency over the long haul.

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