
Spark Plug — Standard 21030390
2103-0390
$12.95
in-stock
Spark Plug - MR8F
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
Triple seals prevent leakage
Corrugated ribs prevent flashover
Copper core aids in heat removal