红色瓷火花塞

Insulator:95%pure alumina Housing:Nickel plated housing Inner sealing:conductive glass Gsakets:Multi-layer gaskets Central electrode:copper core electrode Model Number:A7TC Place of origin:Zhejiang China(mainland) Our Spark Plugs' Dimension Accor with ISO International Criterion OEM Services Are Welcome Speciafications of Spark Plug: Reach:12.7mm Hex:16mm ThreadSize:M10×1.00(MM) Model Number:A7TC Insulator Colour:Colour Gap:0.6mm Features of Spark Plug: 1.Multi-ribbed insulator eliminate flashover. 2.95% pure alumina provides super insulation,strong resistent to heat shock,great mechanic and electric features. 3.Nickel plated shell prevents oxidation and corrosion. 4.Electrical heat crimping process ensures absolute gas-tight fit. 5.Inner sealing with conductive glass ensures a fine conductivity and sealing. 6.Multi-layer gaskets are elasticly strong and realible in sealing. 7.Copper core electrode can prevent oxidation and corrosion,makes it has good electric and heat conductivity ,enablesthe spark plughas a long service life