NGK Standard Spark Plugs are proven technology that offer reliable performance. Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. The solid copper core offers superior heat dissipation, conductivity and broad heat range. NGK Standard plugs are an OE cornerstone that has provided decades of reliable performance.
Fits O/B - 1971-1967 MERCURY
Check your engine and maintenance manual for the correct spark plug and only use as recommended by your engine's original equipment manufacturer. Using the wrong plug can reducing optimum performance, reduce fuel economy or cause damage to your engine.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Champion L76V Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion L76V Spark Plug features a copper core electrode that provides increased conductivity and heat...
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Johnson - Evinrude 0776836 32' Cable Ay 27172 Genuine OEM Johnson/Evinrude part. Special Order Item.
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