ABOUT THIS PRODUCT

The U-Groove Spark Plug is engineered for optimal performance and durability, featuring a patented U-groove ground electrode design that enhances ignitability and supports leaner fuel mixtures for improved engine efficiency. Its precision machine-rolled threads minimize the risk of seizing or cross-threading, making it ideal for use in delicate aluminum heads. Built to last twice as long as conventional plugs, this spark plug ensures reliable operation with its 100% pre-fired construction. The nickel center electrode tip and flat seat type further contribute to its robust design, while its compatibility spans thousands of applications, including classic and collector cars. With a 30,000+ mile lifespan and OE performance, this spark plug delivers exceptional value and reliability for your vehicle.

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