Champion 828M Pack of 4 Copper Marine Spark Plugs (QL77JC4);

For over 100 years Champion has been developing and manufacturing spark plugs. The Champion copper plus spark plug was introduced in 1982, It provides dependable performance and longer life on a daily basis to its owners. Champion's copper core center electrode allows for accurate control of heat range, optimizing performance and longevity. In addition to those benefits, copper plus also provides the best corrosion protection in the industry and eliminates the need for any use of anti-seize compound altogether with its ultraseal shell. Champion copper plus, delivering dependable proven performance since 1907.