Product Name: Spark Plug Place of Origin: China Features: 1) Multi ribs of insulator eliminate flashover 2) Insulator made of 95% pure alumina, strong resistant to heat shock, great mechanic and electric features, super insulation 3) Nickel plated housing prevents oxidation and corrosion, heat crimping process ensures absolute gas-tight fit 4) Inner sealing with conductivity glass ensures fine conductivity and sealing 5) Multi-layer gaskets are elastically strong, and reliable in sealing 6) Copper core electrode prevents oxidation and corrosion, good electric and heat conductivity, long spark plug service life