4056 Spark Plug 4056/4 Copper

Enhance your engine's performance with the 4056 Spark Plug 4056/4 Copper, expertly engineered for reliability and efficiency. This spark plug is designed to deliver optimal ignition and ensure your engine runs smoothly under various conditions.

Key Features:

• Copper-Glass Seal: The advanced copper-glass seal bonds the insulator and terminal post center electrode, guaranteeing that the required voltage flows flawlessly at the spark gap.
• Gas-Tight Seal: Enjoy peace of mind with a 100% leak-proof design that prevents gas leakage, enhancing the overall performance of your engine.
• Multi-Rib Insulator: The innovative multi-rib insulator minimizes the risk of “flash-over,” ensuring consistent performance even in challenging environments.
• One-Piece Terminal Post: This feature adds significant strength and durability, making it ideal for high-performance applications.
• Resistor Technology: The built-in resistor effectively reduces radio frequency interference (RFI) and electrode erosion, leading to a longer lifespan and better performance.
• Cold-Formed Steel Shell: With precision rolled threads, the cold-formed steel shell enhances durability and makes installation easier.
• Full Copper Core Electrode: The full copper core provides superior performance across all conditions, ensuring reliable ignition every time.

Note: Be sure to verify all cross-reference listings before making your purchase to ensure compatibility with your vehicle.