E3 Racing Spark Plugs - 4mm Thread, 0.460 in. Reach, Copper

Experience the precision and performance of E3 Racing Spark Plugs, designed for serious racing enthusiasts. With innovative engineering, these spark plugs are crafted to enhance your vehicle's efficiency and power delivery.

• 4mm thread and 0.460 in. reach for a perfect fit in various racing applications.
• Patented DiamondFIRE ground electrode for superior heat transfer and stability.
• Non-resistor design to optimize performance in high RPM engines.
• Durable construction ensures longevity and consistent performance.
• Engineered to improve fuel efficiency and reduce emissions over time.

How to use / Ideal for: E3 Racing Spark Plugs are ideal for competitive racing environments where performance is critical. Simply install them according to your vehicle's specifications for enhanced ignition efficiency and reliability.