1. Insulator multi-channel ribs prevent flashover on the surface.

2. Used 95 alumina ceramic insulator, the performance in thermal shock, mechanical electrical and insulation reliability is good.

3. Nickel plated housing prevents oxidation and corrosion, Fold sealed by electric heating technology to ensure reliable performance.

4. Inner sealing with conductive glass ensure a fine conductivity and sealing performance.

5. Multi-layer gaskets are elasticity strong and reliable in sealing.

6. Copper core electrode prevents oxidation and corrosion, and ensures a good electric and heat conductivity, long spark plug service life.