
4164 Spark Plug 4164/4 Copper
4164 Spark Plug 4164/4 Copper Experience unmatched performance and reliability with the 4164 Spark Plug 4164/4 Copper. Engineered for excellence, this spark plug is designed to optimize your engine's efficiency and longevity, making it a vital component for any automotive enthusiast or mechanic. Key Features: Copper-Glass Seal: The innovative copper-glass seal bonds the insulator, terminal post, and center electrode together, ensuring that the required voltage at the spark gap is fully delivered. Gas-Tight Seal: Achieve a 100% leak-proof performance with our superior sealing technology, keeping your engine running smoothly. Multi-Rib Insulator: This feature significantly reduces the danger of “flash-over,” enhancing the spark plug's reliability. One-Piece Terminal Post: Designed for added strength and durability, ensuring a robust connection. Resistor Technology: Reduces radio frequency interference (RFI) and minimizes