1. Multi-ribs of insulator eliminate flashover.
2.Insulator made of 95% pure aluminum, 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 conductive glass ensures a fine conductivity and sealing.
5.Multi-layer gaskets are elasticly strong and reliable in sealing.
6.Copper core electrode prevents oxidation and corrosion, good electric and heat conductivity, long spark plug service life.
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