{"product_id":"champion-spark-plug-4405","title":"Champion Spark Plug 4405","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"94\" data-end=\"108\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"109\" data-end=\"394\"\u003eThe \u003cstrong data-start=\"113\" data-end=\"141\"\u003eChampion 4405 Spark Plug\u003c\/strong\u003e is engineered for dependable ignition performance and long-lasting durability in compatible engines. Designed with \u003cstrong data-start=\"257\" data-end=\"296\"\u003enickel center and ground electrodes\u003c\/strong\u003e, it provides reliable spark delivery and consistent combustion under normal operating conditions.\u003c\/p\u003e\n\u003cp data-start=\"396\" data-end=\"670\"\u003eThe \u003cstrong data-start=\"400\" data-end=\"437\"\u003eprojected center electrode design\u003c\/strong\u003e helps enhance ignition efficiency and fuel combustion, contributing to smoother engine operation. Its \u003cstrong data-start=\"540\" data-end=\"566\"\u003eresistor configuration\u003c\/strong\u003e helps reduce electrical interference, supporting modern ignition systems and stable engine performance.\u003c\/p\u003e\n\u003cp data-start=\"672\" data-end=\"970\"\u003eFeaturing a \u003cstrong data-start=\"684\" data-end=\"709\"\u003e14 mm thread diameter\u003c\/strong\u003e, \u003cstrong data-start=\"711\" data-end=\"735\"\u003e1.25 mm thread pitch\u003c\/strong\u003e, and \u003cstrong data-start=\"741\" data-end=\"765\"\u003e19 mm (3\/4 in) reach\u003c\/strong\u003e, the Champion 4405 spark plug is built for precise fitment. The \u003cstrong data-start=\"830\" data-end=\"852\"\u003egasket seat design\u003c\/strong\u003e ensures a secure seal, while the \u003cstrong data-start=\"886\" data-end=\"912\"\u003eremovable terminal nut\u003c\/strong\u003e allows compatibility with a range of ignition wire types.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"972\" data-end=\"983\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"984\" data-end=\"1361\"\u003e\n\u003cli data-section-id=\"8gdp7k\" data-start=\"984\" data-end=\"1047\"\u003e\n\u003cp data-start=\"986\" data-end=\"1047\"\u003eNickel center electrode for dependable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"z5pt4y\" data-start=\"1048\" data-end=\"1113\"\u003e\n\u003cp data-start=\"1050\" data-end=\"1113\"\u003eProjected electrode design for improved combustion efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5vegpy\" data-start=\"1114\" data-end=\"1177\"\u003e\n\u003cp data-start=\"1116\" data-end=\"1177\"\u003eNickel ground electrode for durability and consistent spark\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19dasu1\" data-start=\"1178\" data-end=\"1234\"\u003e\n\u003cp data-start=\"1180\" data-end=\"1234\"\u003eResistor design helps reduce electrical interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yacagm\" data-start=\"1235\" data-end=\"1293\"\u003e\n\u003cp data-start=\"1237\" data-end=\"1293\"\u003eGasket seat design for secure installation and sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1a982ye\" data-start=\"1294\" data-end=\"1361\"\u003e\n\u003cp data-start=\"1296\" data-end=\"1361\"\u003eRemovable terminal nut for flexible ignition wire compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1363\" data-end=\"1380\"\u003eSpecifications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"77y1qw\" data-start=\"1382\" data-end=\"1391\"\u003eShell\u003c\/h3\u003e\n\u003cul data-start=\"1392\" data-end=\"1556\"\u003e\n\u003cli data-section-id=\"132rwse\" data-start=\"1392\" data-end=\"1418\"\u003e\n\u003cp data-start=\"1394\" data-end=\"1418\"\u003eThread Diameter: 14 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nfzpya\" data-start=\"1419\" data-end=\"1444\"\u003e\n\u003cp data-start=\"1421\" data-end=\"1444\"\u003eThread Pitch: 1.25 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xcrequ\" data-start=\"1445\" data-end=\"1466\"\u003e\n\u003cp data-start=\"1447\" data-end=\"1466\"\u003eSeat Type: Gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pzid8p\" data-start=\"1467\" data-end=\"1492\"\u003e\n\u003cp data-start=\"1469\" data-end=\"1492\"\u003eReach: 19 mm (3\/4 in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nurea5\" data-start=\"1493\" data-end=\"1523\"\u003e\n\u003cp data-start=\"1495\" data-end=\"1523\"\u003eHex Size: 13\/16 in (21 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17mf8fc\" data-start=\"1524\" data-end=\"1556\"\u003e\n\u003cp data-start=\"1526\" data-end=\"1556\"\u003eTerminal Type: Removable Nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"172vnfu\" data-start=\"1558\" data-end=\"1578\"\u003eCenter Electrode\u003c\/h3\u003e\n\u003cul data-start=\"1579\" data-end=\"1661\"\u003e\n\u003cli data-section-id=\"1b75xj3\" data-start=\"1579\" data-end=\"1599\"\u003e\n\u003cp data-start=\"1581\" data-end=\"1599\"\u003eMaterial: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dzmbch\" data-start=\"1600\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1602\" data-end=\"1618\"\u003eType: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19fsrni\" data-start=\"1619\" data-end=\"1635\"\u003e\n\u003cp data-start=\"1621\" data-end=\"1635\"\u003eSize: 2.5 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rv1huj\" data-start=\"1636\" data-end=\"1661\"\u003e\n\u003cp data-start=\"1638\" data-end=\"1661\"\u003eProjection: Projected\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"pqcuzo\" data-start=\"1663\" data-end=\"1683\"\u003eGround Electrode\u003c\/h3\u003e\n\u003cul data-start=\"1684\" data-end=\"1739\"\u003e\n\u003cli data-section-id=\"1b75xj3\" data-start=\"1684\" data-end=\"1704\"\u003e\n\u003cp data-start=\"1686\" data-end=\"1704\"\u003eMaterial: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dzmbch\" data-start=\"1705\" data-end=\"1723\"\u003e\n\u003cp data-start=\"1707\" data-end=\"1723\"\u003eType: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fgxjmg\" data-start=\"1724\" data-end=\"1739\"\u003e\n\u003cp data-start=\"1726\" data-end=\"1739\"\u003eQuantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"17flaup\" data-start=\"1741\" data-end=\"1770\"\u003eAdditional Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1771\" data-end=\"1788\"\u003e\n\u003cli data-section-id=\"1k8b2y2\" data-start=\"1771\" data-end=\"1788\"\u003e\n\u003cp data-start=\"1773\" data-end=\"1788\"\u003eResistor: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"vlgg1s\" data-start=\"1790\" data-end=\"1815\"\u003eTorque Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1816\" data-end=\"1896\"\u003e\n\u003cli data-section-id=\"1pgbrya\" data-start=\"1816\" data-end=\"1856\"\u003e\n\u003cp data-start=\"1818\" data-end=\"1856\"\u003eCast Iron Cylinder Head: 26–30 lb-ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5y2r09\" data-start=\"1857\" data-end=\"1896\"\u003e\n\u003cp data-start=\"1859\" data-end=\"1896\"\u003eAluminum Cylinder Head: 18–22 lb-ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":46285726515399,"sku":"ELE1984","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-12150023.png?v=1773352692","url":"https:\/\/mainstreeteshop.com\/products\/champion-spark-plug-4405","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}