NGK Spark Plug - Each #BP5S

Features : Standard nickel centre electrode Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Corrugated ribs reduce the risk of flashover Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Copper core aids in heat removal Triple seals prevent leakage Installation Instructions for your new NGK Spark Plug: Confirm with manufacturers specifications on the thread reach of the spark plug Clean surface around gasket seat / spark plug hole to remove any dirt. Insert spark plug and tighten until finger tight and the gasket touches the cylinder head. Use a Spark Plug Wrench or correct spark plug socket to then tighten a further half to two-thirds of a turn to fully seat your NGK spark plug (Conical seat plugs require a further 1/16th turn)