{"product_id":"autolite-copper-spark-plug-458","title":"Autolite Copper Spark Plug – 458","description":"\u003cp data-start=\"111\" data-end=\"412\"\u003e\u003cstrong data-start=\"111\" data-end=\"127\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"127\" data-end=\"130\"\u003eThe Autolite 458 Copper Spark Plug is engineered to deliver dependable ignition performance, quick engine starts, and consistent power output. Its copper core center electrode improves heat transfer, helping maintain proper operating temperatures while reducing the risk of fouling.\u003c\/p\u003e\n\u003cp data-start=\"414\" data-end=\"794\"\u003eHigh nickel alloy center and ground electrodes provide extended durability and reliable spark delivery. The high alumina multi-rib ceramic insulator enhances electrical insulation and heat dissipation, supporting stable performance in demanding engine conditions. A corrosion-resistant nickel-plated shell protects the spark plug from rust and wear, ensuring long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"796\" data-end=\"961\"\u003eAutolite copper spark plugs are designed to meet the performance needs of many gasoline engines, making them a dependable replacement option for regular maintenance.\u003c\/p\u003e\n\u003cp data-start=\"963\" data-end=\"976\"\u003e\u003cstrong data-start=\"963\" data-end=\"976\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"978\" data-end=\"1350\"\u003e\n\u003cli data-section-id=\"50w2va\" data-start=\"978\" data-end=\"1056\"\u003e\n\u003cp data-start=\"980\" data-end=\"1056\"\u003eCopper core center electrode improves heat transfer and fouling resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1v6vy6m\" data-start=\"1057\" data-end=\"1138\"\u003e\n\u003cp data-start=\"1059\" data-end=\"1138\"\u003eHigh nickel alloy center and ground electrodes extend spark plug service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1whbnrz\" data-start=\"1139\" data-end=\"1216\"\u003e\n\u003cp data-start=\"1141\" data-end=\"1216\"\u003eMulti-rib ceramic insulator improves electrical insulation and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5nxxav\" data-start=\"1217\" data-end=\"1286\"\u003e\n\u003cp data-start=\"1219\" data-end=\"1286\"\u003eNickel-plated shell helps resist corrosion and increase longevity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u862yw\" data-start=\"1287\" data-end=\"1350\"\u003e\n\u003cp data-start=\"1289\" data-end=\"1350\"\u003eDesigned for quick starts and reliable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1352\" data-end=\"1379\"\u003e\u003cstrong data-start=\"1352\" data-end=\"1379\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1381\" data-end=\"2214\"\u003e\n\u003cli data-section-id=\"q5h55r\" data-start=\"1381\" data-end=\"1401\"\u003e\n\u003cp data-start=\"1383\" data-end=\"1401\"\u003ePart number: 458\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t1nkhe\" data-start=\"1402\" data-end=\"1421\"\u003e\n\u003cp data-start=\"1404\" data-end=\"1421\"\u003eBrand: Autolite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9pckcv\" data-start=\"1422\" data-end=\"1457\"\u003e\n\u003cp data-start=\"1424\" data-end=\"1457\"\u003eProduct type: Copper spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1458\" data-end=\"1500\"\u003e\n\u003cp data-start=\"1460\" data-end=\"1500\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13xlloe\" data-start=\"1501\" data-end=\"1542\"\u003e\n\u003cp data-start=\"1503\" data-end=\"1542\"\u003eCenter electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3au8g6\" data-start=\"1543\" data-end=\"1585\"\u003e\n\u003cp data-start=\"1545\" data-end=\"1585\"\u003eGround electrode core material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17jmp0w\" data-start=\"1586\" data-end=\"1627\"\u003e\n\u003cp data-start=\"1588\" data-end=\"1627\"\u003eGround electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x9kiqi\" data-start=\"1628\" data-end=\"1670\"\u003e\n\u003cp data-start=\"1630\" data-end=\"1670\"\u003eGround electrode configuration: Single\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1671\" data-end=\"1703\"\u003e\n\u003cp data-start=\"1673\" data-end=\"1703\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r5af6m\" data-start=\"1704\" data-end=\"1730\"\u003e\n\u003cp data-start=\"1706\" data-end=\"1730\"\u003eThread diameter: 14 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9aw9i6\" data-start=\"1731\" data-end=\"1758\"\u003e\n\u003cp data-start=\"1733\" data-end=\"1758\"\u003eThread size: M14 × 1.25\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"163h8t2\" data-start=\"1759\" data-end=\"1778\"\u003e\n\u003cp data-start=\"1761\" data-end=\"1778\"\u003eSeat type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f28dx\" data-start=\"1779\" data-end=\"1807\"\u003e\n\u003cp data-start=\"1781\" data-end=\"1807\"\u003eWasher type: Flat washer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gbvvjz\" data-start=\"1808\" data-end=\"1832\"\u003e\n\u003cp data-start=\"1810\" data-end=\"1832\"\u003eWasher included: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b0idnq\" data-start=\"1833\" data-end=\"1852\"\u003e\n\u003cp data-start=\"1835\" data-end=\"1852\"\u003eReach: 0.374 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hsl4nj\" data-start=\"1853\" data-end=\"1875\"\u003e\n\u003cp data-start=\"1855\" data-end=\"1875\"\u003eHex size: 13\/16 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jsvf8c\" data-start=\"1876\" data-end=\"1897\"\u003e\n\u003cp data-start=\"1878\" data-end=\"1897\"\u003eResistor type: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lbkpxm\" data-start=\"1898\" data-end=\"1919\"\u003e\n\u003cp data-start=\"1900\" data-end=\"1919\"\u003eResistance: 1 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1c1syj1\" data-start=\"1920\" data-end=\"1944\"\u003e\n\u003cp data-start=\"1922\" data-end=\"1944\"\u003ePre-gap size: 0.8 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17h5h8w\" data-start=\"1945\" data-end=\"1975\"\u003e\n\u003cp data-start=\"1947\" data-end=\"1975\"\u003eManufacturer heat range: 2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sjdq26\" data-start=\"1976\" data-end=\"2007\"\u003e\n\u003cp data-start=\"1978\" data-end=\"2007\"\u003eInsulator material: Ceramic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3c37w7\" data-start=\"2008\" data-end=\"2045\"\u003e\n\u003cp data-start=\"2010\" data-end=\"2045\"\u003eCenter electrode design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"i088to\" data-start=\"2046\" data-end=\"2095\"\u003e\n\u003cp data-start=\"2048\" data-end=\"2095\"\u003eCenter electrode projection: Short projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10g5i94\" data-start=\"2096\" data-end=\"2151\"\u003e\n\u003cp data-start=\"2098\" data-end=\"2151\"\u003eCenter electrode insulator tip projection: 0.039 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b7wdfo\" data-start=\"2152\" data-end=\"2199\"\u003e\n\u003cp data-start=\"2154\" data-end=\"2199\"\u003eElectrical terminal type: Non-removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vb0oei\" data-start=\"2200\" data-end=\"2214\"\u003e\n\u003cp data-start=\"2202\" data-end=\"2214\"\u003eSkirt: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AUTOLITE","offers":[{"title":"Default Title","offer_id":46275713335495,"sku":"ELE1895","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10151751_4bedb698-b7d0-4e2c-a26d-8f60483cab5b.png?v=1773185803","url":"https:\/\/mainstreeteshop.com\/products\/autolite-copper-spark-plug-458","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}