ABOUT THIS PRODUCT

The U-Groove Spark Plug with its patented U-groove ground electrode design ensures superior ignitability, allowing your engine to fire leaner mixtures for enhanced efficiency and performance. Crafted with precision machine-rolled threads, it minimizes the risk of seizing or cross-threading, making it ideal for use in delicate aluminum heads. Built to last, this spark plug offers twice the lifespan of conventional plugs, delivering over 30,000 miles of reliable performance. Its nickel center electrode tip and flat seat type ensure consistent operation, while the 100% pre-fired construction guarantees dependable ignition from the start. With a wide range of part numbers available, its compatible with thousands of applications, including classic and collector cars. Whether you're maintaining a daily driver or restoring a vintage vehicle, this spark plug combines durability, efficiency, and OE-level performance to keep your engine running smoothly.

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