NGK Spark Plugs - #1113 - BR7HS10S25 Blue Sea Systems BusBars 25" x 17 Pitch -

25" x 17 Pitch - EX1/EX2-1317 - 31431712

Centrifugal impeller

Label with international ON/OFF legends

as those units lack the internal auxiliary control port plug required to accept this accessory

Waterproof

NGK Spark Plugs - #1113 - BR7HS10S25 Blue Sea Systems BusBars 25" x 17 Pitch -Standard spark plugs are chosen by more automotive, motorcycle and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life. Triple gasket sealing process eliminates gas leakage past the shell 99% Highly pure alumina silicate insulator Solid copper core Corrugated ribs to prevent flash over Cold rolled threads to prevent damage to cylinder head Trivalent