Upgrade your engine's performance with the Denso Spark Plug, engineered for optimal combustion and lasting reliability. This spark plug delivers consistent spark and improved efficiency, ensuring your engine runs smoothly and powerfully. Description The Denso Spark Plug is designed with advanced features to enhance your engine's performance. Its unique U-groove design ensures a larger spark area, promoting more complete combustion and improved fuel efficiency. The low center copper core efficiently dissipates heat, preventing overheating and extending the life of the plug. Featuring a heat-resistant nickel jacket, this spark plug withstands extreme temperatures and harsh conditions, providing reliable performance mile after mile. Experience the difference a quality spark plug can make – improved throttle response, reduced emissions, and enhanced overall engine performance. Features & highlights U-Groove Design: Ensures a larger spark area for more complete combustion and improved fuel efficiency. Low Center Copper Core: Efficiently dissipates heat, preventing overheating and extending the life of the spark plug. Heat-Resistant Nickel Jacket: Withstands extreme temperatures and harsh conditions for reliable performance. Improved Head Dissipation: Enhances cooling to maintain optimal operating temperatures. Resistor Type: Reduces electrical interference for smoother engine operation. Technical specifications Brand: Denso Vendor Part Number: X27ESR-U Product Name: Spark Plug Center Electrode Type: Standard Electrode Tip Material: Nickel Alloy Type: Resistor Type Important to know Ensure proper fitment for your specific engine type and follow recommended installation procedures. Refer to your vehicle's service manual for spark plug replacement intervals.