* ZFR6K11 NGK Spark Plugs/H2 marine including: as a coating topper

including: as a coating topper

Co-molded diaphragm for long life and durability

Mercury-Mercruiser 46801A5 INSTRUMENT ASSY

Mercury-Mercruiser 4509A1 CARBURETOR

non-choke Gulper valve technology means no filters

* ZFR6K11 NGK Spark Plugs/H2 marine including: as a coating topperZFR6K11 NGK Spark Plugs, ZFR6K, 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