NGK Spark Plugs, BZ7HS10 #3579, 10/P alt-42957601 MEGA SI reads to 200'

MEGA SI reads to 200' (60m) on both sides

Manufacturer part number 50-86738

Chemical resistant materials

The Emergency Garboard Drain Plug features an attached key ring

NGK Spark Plugs, BZ7HS10 #3579, 10/P alt-42957601 MEGA SI reads to 200'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