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. Built with a nickel center electrode tip and a flat seat type, this spark plug ensures reliable performance and compatibility with a wide range of vehicles, including classic and collector cars. Precision machine-rolled threads minimize the risk of seizing or cross-threading in delicate aluminum heads, making installation smooth and secure. Designed to last twice as long as most conventional plugs, it offers a lifespan exceeding 30,000 miles, delivering exceptional value and durability. Each plug is 100% pre-fired to guarantee consistent and dependable operation, making it an ideal choice for maintaining OE performance standards. Whether you're looking to enhance fuel efficiency or ensure long-lasting reliability, this U-Groove spark plug is engineered to meet your needs.

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