ABOUT THIS PRODUCT

The U-Groove Spark Plug features a patented U-groove ground electrode design that enhances ignitability, allowing it to fire leaner fuel mixtures for 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 flat seat type and a durable nickel center electrode tip, this spark plug is engineered for long-lasting performance, 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. Each plug is 100 percent pre-fired to guarantee reliable operation right out of the box. Designed for OE performance and durability, this spark plug is an excellent choice for maintaining optimal engine performance and efficiency.

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