Seller notes

NGK 6630 set of 8 OEM / Interchange Numbers: AR25, UR4 Center Electrode Core MaterialCopperCenter Electrode Tip MaterialNickelElectrical Terminal TypeNon-Removable NutGap Size (IN).040Ground ConfigurationStandardGround Electrode Core MaterialNickelGround Electrode Quantity1Ground Electrode Tip DesignStandardHex Size (IN)5/8Insulator Height (mm)55.00Manufacturer Heat Range4Part NumberUR4Reach (IN).46Resistance (ohms)5000Seat TypeTaperedStock Number6630Thread Diameter (MM)14.00...

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