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. M/C - 1981-1980 HONDA, 1997-1981 KAWASAKI, 1994-1993 MOTO GUZZI, 1987-1980 SUZUKI, 1974-1973 YAMAHA

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 Standard Spark Plugs, part number 2420, are trusted OE-quality components designed to deliver reliable ignition performance across a range of motorcycle models. Packaged in the recognizable yellow box, these plugs are engineered specifically for OE applications, ensuring compatibility and optimal functionality. They feature a high-grade nickel alloy center electrode that provides durable, dependable performance over time, making them a popular choice among motorcycle enthusiasts and professional mechanics alike. The advanced alumina silicate ceramic insulator enhances dielectric strength and heat transfer, contributing to better engine efficiency and longevity. Additionally, triple gasket sealing technology prevents combustion gas leakage, maintaining engine integrity and performance.
Engineered with a solid copper core, these spark plugs excel at heat dissipation and electrical conductivity, supporting wide heat ranges that accommodate various operating conditions. The trivalent metal plating offers superior anti-corrosion and anti-seize properties, making installation and removal straightforward and reducing maintenance efforts. The design includes corrugated ribs that prevent flashover, ensuring a stable and reliable spark, which is critical for smooth engine operation. Suitable for a variety of motorcycle models from 1973 through 1997, including Honda, Kawasaki, Moto Guzzi, Suzuki, and Yamaha, these plugs are an excellent replacement for OE or equivalent parts. Whether you're maintaining an older motorcycle or upgrading your current setup, the NGK Standard Spark Plugs provide the performance, reliability, and durability needed for a safe and efficient ride.
This box contains 10 spark plugs, offering a cost-effective solution for ongoing maintenance needs. Each plug is treated with corrosion-resistant plating to ensure long-lasting performance and ease of installation. Designed for a broad range of motorcycle applications, they are a dependable choice for enthusiasts and professionals seeking high-quality ignition components that meet or exceed OEM standards.

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