**Model No.:** D8TC, D8EA, X24ES-U, A8YC, S121XL, 275, X4DC **HS Code:** 85111000 These spark plugs are specifically designed for high-performance gasoline engines, offering excellent quality and reliable operation. Each box contains 10 pieces, and a standard carton holds 400 pieces, making it ideal for bulk orders and commercial use. Key features of these spark plugs include: 1. **Multi-ribbed insulator** – Reduces the risk of flashover and ensures stable ignition performance. 2. **95% pure alumina insulator** – Provides superior mechanical strength, electrical insulation, and thermal resistance. 3. **Nickel-plated housing** – Protects against oxidation and corrosion, while the heat crimping process guarantees an airtight seal. 4. **Conductive glass sealing** – Enhances conductivity and ensures a tight, long-lasting seal. 5. **Multi-layer gaskets** – Offer excellent elasticity and maintain a strong, reliable seal over time. 6. **Copper core electrode** – Improves heat dissipation, reducing the risk of engine overheating and enhancing overall performance. 7. **Excellent electrical and thermal conductivity** – Ensures efficient ignition and extends the service life of the spark plug. These high-quality spark plugs are suitable for a wide range of gasoline-powered engines, delivering consistent performance and durability. Whether you're looking for replacement parts or bulk supply, these spark plugs are a reliable choice that meets international standards and industry requirements. Perfect for both automotive and industrial applications, they are known for their efficiency, longevity, and ease of installation.

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