Made of premium materials and validated for marine use, these Quicksilver Spark Plugs help ensure your engine can deliver long hours of reliable performance wherever the water takes you. Includes four replacement spark plugs that fit engines requiring NGK CR6HS.
Fits Mercury 8hp (serial No. 0H000058 and up, 0H017100-0H017265) and 9hp (0H00058-0H016909) outboards requiring NGK CR6HS spark plugs
Constructed for long life and optimum performance
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Pure alumina silicate ceramic insulator provides superior strength and heat transfer