Champion 821 L77JC4 Spark Plug

The Champion 821 L77JC4 Spark Plug by Champion Spark Plug stands as a top-tier OE replacement, purpose-built for lawn and garden engines and similar machinery. Its cutting-edge design ensures improved conductivity and heat regulation, resulting in extended longevity. This Champion Spark Plug showcases outstanding dependability, durability, and superior corrosion resistance. It's also resistant to fouling and can seamlessly substitute for the NGK B9HS-10 plug. Each package includes a single spark plug, catering to a wide range of popular applications, including Evinrude engines. To ensure precise fitment, threading, sizing, and more, please consult your Owner's Manual for the appropriate spark plug specifications.