The NGK R5673-6 Racing Spark Plug is designed for high-performance racing engines that demand precision and reliability. Built with a colder heat range and robust construction, it can withstand the intense conditions of motorsports, ensuring consistent ignition even under extreme stress. The unique design promotes efficient combustion and helps maintain optimal engine performance. Whether on the track or in high-speed competitions, the NGK R5673-6 provides enhanced durability and smooth, responsive power delivery, making it an ideal choice for serious racers.

Part number: R5673-6