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. MAZDA RX-7 1980

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

The NGK Standard Spark Plug Part No. 6612 is designed to deliver reliable ignition performance for your Mazda RX-7 from 1980. Engineered with OE-specific dimensions and quality materials, these plugs ensure a seamless fit and consistent operation. The high-grade alumina silicate ceramic insulator provides superior strength and efficient heat transfer, helping to maintain optimal engine temperatures and prevent misfires. The solid copper core enhances heat dissipation and electrical conductivity, supporting smooth engine performance across a wide range of operating conditions. Trivalent metal plating offers exceptional anti-corrosion and anti-seizing properties, simplifying installation and removal for maintenance ease. The triple gasket sealing technology effectively prevents combustion gas leakage, ensuring the engine operates efficiently and cleanly. Corrugated ribs on the insulator further prevent flashover, adding to the durability and safety of the spark plug. These NGK plugs are an actual OE or equivalent replacement, trusted by technicians and enthusiasts for decades of dependable service. Suitable for 1980 Mazda RX-7 models, they are packaged in the iconic NGK yellow box, signaling quality and reliability. Whether you're performing maintenance or restoring your vehicle, these plugs provide a consistent spark that promotes engine efficiency, fuel economy, and overall performance. The set includes four spark plugs, making it convenient for complete engine service. Designed for ease of installation, the NGK Standard Spark Plugs are a proven choice for ensuring your Mazda RX-7 runs smoothly and reliably under all conditions.

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