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. Its resistor type of 5000 ensures optimal performance, while the 100% pre-fired construction guarantees reliable operation right out of the box. With a wide range of part numbers available, it is compatible with thousands of applications, including classic and collector cars, making it a versatile choice for various vehicles. Designed for OE performance and long-lasting reliability, this spark plug is a smart investment 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