Standard Spark Plug Box Of 4 4 X NGK Standard Plug Spark Plugs 5122 BR7ES Tune Up Kit Set Copper Core Spark Plug For Engines It has corrugated ribs that prevent flash over and cold rolled threads to inhibit damage to the cylinder head. The NGK BR7ES (5122) Spark Plug is designed to provide improved performance, increased durability, reduced EMI interference, and long-lasting performance Solid copper core for greater spark Johnson 204470091 - alternative spark plugs Triple gasket seal eliminates combustion gas leakage Longer insulator nose prevents fouling Set (4pcs) NGK Standard Spark Plugs Stock 5122 Nickel Core Tip Standard 0.032in BR7ES The Spark plug insulators are made of 99 percent pure alumina silicate, allowing for longer insulator noses for reduced fouling. This Spark plug has resistor that is produced with a glass and carbon mixture, which is fired to ensure superior performance and durability. This Spark plug features a triple gasket sealing process that eliminates fuel leakage.
