{"product_id":"champion-copper-plus-spark-plug-346","title":"Champion Copper Plus Spark Plug 346","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"232\" data-end=\"246\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"247\" data-end=\"574\"\u003eThe \u003cstrong data-start=\"251\" data-end=\"290\"\u003eChampion Copper Plus Spark Plug 346\u003c\/strong\u003e is engineered to deliver reliable ignition performance and long service life in a wide range of automotive applications. Featuring a \u003cstrong data-start=\"424\" data-end=\"456\"\u003ecopper core center electrode\u003c\/strong\u003e, this spark plug improves conductivity and heat control to support consistent combustion and dependable overall wear.\u003c\/p\u003e\n\u003cp data-start=\"576\" data-end=\"926\"\u003eAs part of the \u003cstrong data-start=\"591\" data-end=\"615\"\u003eChampion Copper Plus\u003c\/strong\u003e line, the \u003cstrong data-start=\"626\" data-end=\"637\"\u003eRC10YC4\u003c\/strong\u003e is built for durable replacement performance with \u003cstrong data-start=\"688\" data-end=\"721\"\u003esuperior corrosion resistance\u003c\/strong\u003e and accurate heat range control for longer service life. Built to \u003cstrong data-start=\"788\" data-end=\"813\"\u003eISO and SAE standards\u003c\/strong\u003e, it is designed to provide proven performance in compatible engines while maintaining stable ignition operation.\u003c\/p\u003e\n\u003cp data-start=\"928\" data-end=\"1138\"\u003eWith a \u003cstrong data-start=\"935\" data-end=\"948\"\u003eflat seat\u003c\/strong\u003e, \u003cstrong data-start=\"950\" data-end=\"966\"\u003ecrush washer\u003c\/strong\u003e, \u003cstrong data-start=\"968\" data-end=\"987\"\u003eresistor design\u003c\/strong\u003e, and \u003cstrong data-start=\"993\" data-end=\"1034\"\u003efactory pre-gap of 0.041 in (1.05 mm)\u003c\/strong\u003e, this spark plug is a dependable replacement option for select automotive and powersports applications.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"1140\" data-end=\"1151\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"1152\" data-end=\"1552\"\u003e\n\u003cli data-section-id=\"1spuydi\" data-start=\"1152\" data-end=\"1227\"\u003e\n\u003cp data-start=\"1154\" data-end=\"1227\"\u003e\u003cstrong data-start=\"1154\" data-end=\"1186\"\u003eCopper core center electrode\u003c\/strong\u003e improves conductivity and heat control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7l4ebr\" data-start=\"1228\" data-end=\"1289\"\u003e\n\u003cp data-start=\"1230\" data-end=\"1289\"\u003eBuilt to \u003cstrong data-start=\"1239\" data-end=\"1264\"\u003eISO and SAE standards\u003c\/strong\u003e for proven performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qk3uah\" data-start=\"1290\" data-end=\"1367\"\u003e\n\u003cp data-start=\"1292\" data-end=\"1367\"\u003e\u003cstrong data-start=\"1292\" data-end=\"1316\"\u003eChampion Copper Plus\u003c\/strong\u003e design for dependable performance and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19f7e0r\" data-start=\"1368\" data-end=\"1429\"\u003e\n\u003cp data-start=\"1370\" data-end=\"1429\"\u003e\u003cstrong data-start=\"1370\" data-end=\"1403\"\u003eSuperior corrosion resistance\u003c\/strong\u003e for longer service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1o1xuii\" data-start=\"1430\" data-end=\"1502\"\u003e\n\u003cp data-start=\"1432\" data-end=\"1502\"\u003e\u003cstrong data-start=\"1432\" data-end=\"1463\"\u003eAccurate heat range control\u003c\/strong\u003e supports reliable ignition operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jo4bq1\" data-start=\"1503\" data-end=\"1552\"\u003e\n\u003cp data-start=\"1505\" data-end=\"1552\"\u003e\u003cstrong data-start=\"1505\" data-end=\"1526\"\u003ePre-gapped design\u003c\/strong\u003e for easier installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1554\" data-end=\"1571\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1572\" data-end=\"2339\"\u003e\n\u003cli data-section-id=\"9ty3qu\" data-start=\"1572\" data-end=\"1591\"\u003e\n\u003cp data-start=\"1574\" data-end=\"1591\"\u003eBrand: Champion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jjkzvb\" data-start=\"1592\" data-end=\"1612\"\u003e\n\u003cp data-start=\"1594\" data-end=\"1612\"\u003ePart Number: 346\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1reeyl6\" data-start=\"1613\" data-end=\"1635\"\u003e\n\u003cp data-start=\"1615\" data-end=\"1635\"\u003ePlug Type: RC10YC4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"iqia62\" data-start=\"1636\" data-end=\"1676\"\u003e\n\u003cp data-start=\"1638\" data-end=\"1676\"\u003eClassification: Champion Copper Plus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kxcai\" data-start=\"1677\" data-end=\"1713\"\u003e\n\u003cp data-start=\"1679\" data-end=\"1713\"\u003eGrade Type: Standard Replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qpht86\" data-start=\"1714\" data-end=\"1746\"\u003e\n\u003cp data-start=\"1716\" data-end=\"1746\"\u003ePart Description: Spark Plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1w81wf2\" data-start=\"1747\" data-end=\"1788\"\u003e\n\u003cp data-start=\"1749\" data-end=\"1788\"\u003eCenter Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"42bjef\" data-start=\"1789\" data-end=\"1826\"\u003e\n\u003cp data-start=\"1791\" data-end=\"1826\"\u003eCenter Electrode Design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tcgx5m\" data-start=\"1827\" data-end=\"1859\"\u003e\n\u003cp data-start=\"1829\" data-end=\"1859\"\u003eGround Electrode Quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"psgbmu\" data-start=\"1860\" data-end=\"1902\"\u003e\n\u003cp data-start=\"1862\" data-end=\"1902\"\u003eGround Electrode Core Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"es7l3k\" data-start=\"1903\" data-end=\"1944\"\u003e\n\u003cp data-start=\"1905\" data-end=\"1944\"\u003eGround Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gwuugi\" data-start=\"1945\" data-end=\"1981\"\u003e\n\u003cp data-start=\"1947\" data-end=\"1981\"\u003ePre-Gap Size: 0.041 in \/ 1.05 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ur7zdr\" data-start=\"1982\" data-end=\"2016\"\u003e\n\u003cp data-start=\"1984\" data-end=\"2016\"\u003eHex Size: 0.625 in \/ 15.880 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m3cn6f\" data-start=\"2017\" data-end=\"2046\"\u003e\n\u003cp data-start=\"2019\" data-end=\"2046\"\u003eInsulator Height: 0.06 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eukn9f\" data-start=\"2047\" data-end=\"2078\"\u003e\n\u003cp data-start=\"2049\" data-end=\"2078\"\u003eManufacturer Heat Range: 10\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12ns31y\" data-start=\"2079\" data-end=\"2098\"\u003e\n\u003cp data-start=\"2081\" data-end=\"2098\"\u003eSeat Type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"palr3o\" data-start=\"2099\" data-end=\"2117\"\u003e\n\u003cp data-start=\"2101\" data-end=\"2117\"\u003eReach: 0.75 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ycvbgn\" data-start=\"2118\" data-end=\"2159\"\u003e\n\u003cp data-start=\"2120\" data-end=\"2159\"\u003eThread Diameter: 0.551 in \/ 14.000 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9nbfma\" data-start=\"2160\" data-end=\"2182\"\u003e\n\u003cp data-start=\"2162\" data-end=\"2182\"\u003eResistor Type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gsl5i7\" data-start=\"2183\" data-end=\"2207\"\u003e\n\u003cp data-start=\"2185\" data-end=\"2207\"\u003eWasher Included: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ygep3j\" data-start=\"2208\" data-end=\"2230\"\u003e\n\u003cp data-start=\"2210\" data-end=\"2230\"\u003eWasher Type: Crush\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kzcjo\" data-start=\"2231\" data-end=\"2278\"\u003e\n\u003cp data-start=\"2233\" data-end=\"2278\"\u003eElectrical Terminal Type: Non-Removable Nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cf799m\" data-start=\"2279\" data-end=\"2296\"\u003e\n\u003cp data-start=\"2281\" data-end=\"2296\"\u003eHex Type: Hex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nt2tzg\" data-start=\"2297\" data-end=\"2312\"\u003e\n\u003cp data-start=\"2299\" data-end=\"2312\"\u003eIndexed: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"198zmx6\" data-start=\"2313\" data-end=\"2339\"\u003e\n\u003cp data-start=\"2315\" data-end=\"2339\"\u003eSubject to Prop 65: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"2341\" data-end=\"2351\"\u003eFitment\u003c\/h2\u003e\n\u003cul data-start=\"2352\" data-end=\"2777\"\u003e\n\u003cli data-section-id=\"vqrdjb\" data-start=\"2352\" data-end=\"2561\"\u003e\n\u003cp data-start=\"2354\" data-end=\"2561\"\u003eFits a wide range of \u003cstrong data-start=\"2375\" data-end=\"2545\"\u003eAcura, Audi, Chevrolet, Chrysler, Daewoo, Dodge, Honda, Hyundai, Isuzu, Kia, Land Rover, Mazda, Mitsubishi, Nissan, Pontiac, Porsche, Saab, Subaru, Suzuki, and Toyota\u003c\/strong\u003e applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1aew3o5\" data-start=\"2562\" data-end=\"2646\"\u003e\n\u003cp data-start=\"2564\" data-end=\"2646\"\u003eAlso fits select \u003cstrong data-start=\"2581\" data-end=\"2600\"\u003eHonda Gold Wing\u003c\/strong\u003e and \u003cstrong data-start=\"2605\" data-end=\"2619\"\u003eHonda Rune\u003c\/strong\u003e motorcycle applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x2qtrn\" data-start=\"2647\" data-end=\"2777\"\u003e\n\u003cp data-start=\"2649\" data-end=\"2777\"\u003ePreserve the full application table from the original source for exact \u003cstrong data-start=\"2720\" data-end=\"2776\"\u003eyear, make, model, engine, and quantity requirements\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":46285353746631,"sku":"ELE1964","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-12133555.png?v=1773347624","url":"https:\/\/mainstreeteshop.com\/products\/champion-copper-plus-spark-plug-346","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}