Ignite Your Engine's Potential! 🔥 Backed by decades of expertise in spark plug technology. Designed for fast starts and stable performance. Reduce emissions while maximizing power output. Seamlessly fits a wide range of Honda and Champion engines. Experience longer service life and improved fuel efficiency. Thread Reach: 12.7MM Thread Size: 10*1MM Hexagon Size: 16MM The TORCH A5RTC Spark Plugs are engineered replacements for NGK CR5HSB, designed to enhance the performance of various Honda and Champion engines. With precise specifications and a commitment to reducing emissions, these spark plugs ensure efficient fuel consumption and reliable ignition across a multitude of applications.