Spark plug threaded insert for repair / regenaration - internal M14x1,25 - outer Ø approx. 17,80mm whole depth aprrox. 18mm OrderNo.: 83213 GTIN/EAN: 4056144003649 For the spark plug thread insert 83213 you need a tap in M18x1.5 CatalogueNo.: 4 6,50 € (incl. VAT, plus shipping) in stock