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 flat seat type and a durable nickel center electrode tip, this spark plug is engineered for reliability and longevity, lasting twice as long as most conventional plugs. Its wide range of part numbers makes it compatible with thousands of applications, including classic and collector cars, offering versatility for various engine types. Pre-fired to guarantee dependable performance, this spark plug delivers OE-level quality and consistent operation, making it a valuable upgrade for maintaining peak engine performance.

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