NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties. NGK Standard spark plugs are proven technology that offer reliable performance. Actual OE or equivalent replacement spark plug. NGK Standard plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. O/B - 1999-1978 MARINER, 2002-1978 MERCURY

TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
Trivalent metal plating for superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent flashover
Copper core aids in heat removal
Triple seals prevent leakage

NGK BU8H Standard Spark Plugs are a trusted choice for automotive enthusiasts and professionals seeking dependable ignition performance. Engineered specifically for original equipment applications, these spark plugs deliver consistent and reliable operation across a broad range of engines. Featuring a high-grade nickel alloy, they ensure durability and longevity, making them suitable for a variety of vehicle makes and models. The innovative design incorporates a trivalent metal plating that provides superior anti-corrosion and anti-seizing properties, simplifying installation and removal. Crafted with a solid copper core, these plugs excel in heat dissipation and conductivity, supporting optimal engine performance and fuel efficiency. The alumina silicate ceramic insulator enhances strength and heat transfer, contributing to the overall durability and efficient operation of the spark plug. Triple gasket sealing prevents combustion gas leakage, maintaining engine integrity and performance over time. These plugs are designed to meet or exceed OE standards, ensuring a seamless fit and reliable performance in compatible vehicles. Whether for routine maintenance or engine rebuilding, NGK BU8H spark plugs provide the proven technology and quality that automotive professionals and enthusiasts trust. Each box contains 10 spark plugs, making them an economical choice for replacement and servicing. Their corrosion-resistant plating and precision engineering ensure consistent ignition performance, reduced misfires, and extended service life, supporting your vehicle’s health and efficiency.

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