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 to last, this spark plug outperforms most conventional plugs with double the lifespan, making it a reliable choice for long-term use. Its nickel center electrode tip material ensures consistent performance, while the flat seat type guarantees a secure fit. Pre-fired to 100 percent, it delivers dependable operation right out of the box. With compatibility across a wide range of applications, including classic and collector cars, this spark plug is a versatile solution for maintaining optimal 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