{"product_id":"champion-copper-plus-spark-plug-406","title":"Champion Copper Plus Spark Plug 406","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"216\" data-end=\"230\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"231\" data-end=\"572\"\u003eThe \u003cstrong data-start=\"235\" data-end=\"274\"\u003eChampion Copper Plus Spark Plug 406\u003c\/strong\u003e is engineered to deliver dependable ignition performance and long service life in a wide range of automotive applications. Featuring a \u003cstrong data-start=\"410\" data-end=\"442\"\u003ecopper core center electrode\u003c\/strong\u003e, this spark plug provides increased conductivity and precise heat control to support consistent combustion and good overall wear.\u003c\/p\u003e\n\u003cp data-start=\"574\" data-end=\"910\"\u003eAs part of the \u003cstrong data-start=\"589\" data-end=\"613\"\u003eChampion Copper Plus\u003c\/strong\u003e line, the \u003cstrong data-start=\"624\" data-end=\"634\"\u003eRV12YC\u003c\/strong\u003e is built for reliable replacement performance with \u003cstrong data-start=\"686\" data-end=\"719\"\u003esuperior corrosion resistance\u003c\/strong\u003e and construction designed to meet \u003cstrong data-start=\"754\" data-end=\"779\"\u003eISO and SAE standards\u003c\/strong\u003e. The copper core center electrode helps maintain accurate heat range control for longer plug life and dependable engine operation.\u003c\/p\u003e\n\u003cp data-start=\"912\" data-end=\"1147\"\u003eThis spark plug features a \u003cstrong data-start=\"939\" data-end=\"955\"\u003etapered seat\u003c\/strong\u003e, \u003cstrong data-start=\"957\" data-end=\"990\"\u003eJ-gap ground electrode design\u003c\/strong\u003e, \u003cstrong data-start=\"992\" data-end=\"1017\"\u003eresistor construction\u003c\/strong\u003e, and a \u003cstrong data-start=\"1025\" data-end=\"1066\"\u003efactory pre-gap of 0.040 in (1.03 mm)\u003c\/strong\u003e for reliable installation and stable ignition performance in compatible engines.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"1149\" data-end=\"1160\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"1161\" data-end=\"1579\"\u003e\n\u003cli data-section-id=\"1spuydi\" data-start=\"1161\" data-end=\"1236\"\u003e\n\u003cp data-start=\"1163\" data-end=\"1236\"\u003e\u003cstrong data-start=\"1163\" data-end=\"1195\"\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=\"1237\" data-end=\"1298\"\u003e\n\u003cp data-start=\"1239\" data-end=\"1298\"\u003eBuilt to \u003cstrong data-start=\"1248\" data-end=\"1273\"\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=\"1299\" data-end=\"1376\"\u003e\n\u003cp data-start=\"1301\" data-end=\"1376\"\u003e\u003cstrong data-start=\"1301\" data-end=\"1325\"\u003eChampion Copper Plus\u003c\/strong\u003e design for dependable performance and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"37gif5\" data-start=\"1377\" data-end=\"1440\"\u003e\n\u003cp data-start=\"1379\" data-end=\"1440\"\u003e\u003cstrong data-start=\"1379\" data-end=\"1412\"\u003eSuperior corrosion resistance\u003c\/strong\u003e for extended service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10jhgge\" data-start=\"1441\" data-end=\"1514\"\u003e\n\u003cp data-start=\"1443\" data-end=\"1514\"\u003e\u003cstrong data-start=\"1443\" data-end=\"1476\"\u003eJ-gap ground electrode design\u003c\/strong\u003e supports reliable spark performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i95i15\" data-start=\"1515\" data-end=\"1579\"\u003e\n\u003cp data-start=\"1517\" data-end=\"1579\"\u003e\u003cstrong data-start=\"1517\" data-end=\"1548\"\u003eAccurate heat range control\u003c\/strong\u003e helps extend spark plug life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1581\" data-end=\"1598\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1599\" data-end=\"2580\"\u003e\n\u003cli data-section-id=\"9ty3qu\" data-start=\"1599\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1601\" data-end=\"1618\"\u003eBrand: Champion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jix2j8\" data-start=\"1619\" data-end=\"1639\"\u003e\n\u003cp data-start=\"1621\" data-end=\"1639\"\u003ePart Number: 406\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1t23f09\" data-start=\"1640\" data-end=\"1661\"\u003e\n\u003cp data-start=\"1642\" data-end=\"1661\"\u003ePlug Type: RV12YC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"iqia62\" data-start=\"1662\" data-end=\"1702\"\u003e\n\u003cp data-start=\"1664\" data-end=\"1702\"\u003eClassification: Champion Copper Plus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kxcai\" data-start=\"1703\" data-end=\"1739\"\u003e\n\u003cp data-start=\"1705\" data-end=\"1739\"\u003eGrade Type: Standard Replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qpht86\" data-start=\"1740\" data-end=\"1772\"\u003e\n\u003cp data-start=\"1742\" data-end=\"1772\"\u003ePart Description: Spark Plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"suotmr\" data-start=\"1773\" data-end=\"1814\"\u003e\n\u003cp data-start=\"1775\" data-end=\"1814\"\u003eCenter Electrode Tip Material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"42bjef\" data-start=\"1815\" data-end=\"1852\"\u003e\n\u003cp data-start=\"1817\" data-end=\"1852\"\u003eCenter Electrode Design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19wox35\" data-start=\"1853\" data-end=\"1891\"\u003e\n\u003cp data-start=\"1855\" data-end=\"1891\"\u003eCenter Electrode Diameter: 0.10 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tcgx5m\" data-start=\"1892\" data-end=\"1924\"\u003e\n\u003cp data-start=\"1894\" data-end=\"1924\"\u003eGround Electrode Quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jz1xub\" data-start=\"1925\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1927\" data-end=\"1963\"\u003eGround Electrode Tip Design: J Gap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"psgbmu\" data-start=\"1964\" data-end=\"2006\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2006\"\u003eGround Electrode Core Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"es7l3k\" data-start=\"2007\" data-end=\"2048\"\u003e\n\u003cp data-start=\"2009\" data-end=\"2048\"\u003eGround Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sunzm9\" data-start=\"2049\" data-end=\"2099\"\u003e\n\u003cp data-start=\"2051\" data-end=\"2099\"\u003eGround Electrode Material: Nickel Copper Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"74x3md\" data-start=\"2100\" data-end=\"2136\"\u003e\n\u003cp data-start=\"2102\" data-end=\"2136\"\u003ePre-Gap Size: 0.040 in \/ 1.03 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"q27g39\" data-start=\"2137\" data-end=\"2171\"\u003e\n\u003cp data-start=\"2139\" data-end=\"2171\"\u003eHex Size: 0.625 in \/ 15.875 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m3cn6f\" data-start=\"2172\" data-end=\"2201\"\u003e\n\u003cp data-start=\"2174\" data-end=\"2201\"\u003eInsulator Height: 0.06 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1euklkx\" data-start=\"2202\" data-end=\"2233\"\u003e\n\u003cp data-start=\"2204\" data-end=\"2233\"\u003eManufacturer Heat Range: 12\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sl50u2\" data-start=\"2234\" data-end=\"2256\"\u003e\n\u003cp data-start=\"2236\" data-end=\"2256\"\u003eSeat Type: Tapered\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"csc27b\" data-start=\"2257\" data-end=\"2276\"\u003e\n\u003cp data-start=\"2259\" data-end=\"2276\"\u003eReach: 0.441 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ycvbgn\" data-start=\"2277\" data-end=\"2318\"\u003e\n\u003cp data-start=\"2279\" data-end=\"2318\"\u003eThread Diameter: 0.551 in \/ 14.000 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9nbfma\" data-start=\"2319\" data-end=\"2341\"\u003e\n\u003cp data-start=\"2321\" data-end=\"2341\"\u003eResistor Type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jw434h\" data-start=\"2342\" data-end=\"2365\"\u003e\n\u003cp data-start=\"2344\" data-end=\"2365\"\u003eWasher Included: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kzcjo\" data-start=\"2366\" data-end=\"2413\"\u003e\n\u003cp data-start=\"2368\" data-end=\"2413\"\u003eElectrical Terminal Type: Non-Removable Nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1p7i06c\" data-start=\"2414\" data-end=\"2427\"\u003e\n\u003cp data-start=\"2416\" data-end=\"2427\"\u003eSkirt: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cf799m\" data-start=\"2428\" data-end=\"2445\"\u003e\n\u003cp data-start=\"2430\" data-end=\"2445\"\u003eHex Type: Hex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nt2tzg\" data-start=\"2446\" data-end=\"2461\"\u003e\n\u003cp data-start=\"2448\" data-end=\"2461\"\u003eIndexed: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13yo1jo\" data-start=\"2462\" data-end=\"2491\"\u003e\n\u003cp data-start=\"2464\" data-end=\"2491\"\u003eInstalled Height: 2.20 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9uyfdh\" data-start=\"2492\" data-end=\"2525\"\u003e\n\u003cp data-start=\"2494\" data-end=\"2525\"\u003eInsulator Projection: 0.06 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6ig4c\" data-start=\"2526\" data-end=\"2553\"\u003e\n\u003cp data-start=\"2528\" data-end=\"2553\"\u003eTaper Diameter: 0.31 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"198zmx6\" data-start=\"2554\" data-end=\"2580\"\u003e\n\u003cp data-start=\"2556\" data-end=\"2580\"\u003eSubject to Prop 65: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"2582\" data-end=\"2592\"\u003eFitment\u003c\/h2\u003e\n\u003cul data-start=\"2593\" data-end=\"3077\"\u003e\n\u003cli data-section-id=\"1vbt1t9\" data-start=\"2593\" data-end=\"2789\"\u003e\n\u003cp data-start=\"2595\" data-end=\"2789\"\u003eFits a wide range of \u003cstrong data-start=\"2616\" data-end=\"2751\"\u003eBricklin, Buick, Cadillac, Checker, Chevrolet, Dodge, Excalibur, Ford, GMC, Geo, Isuzu, Jeep, Laforza, Mercury, Oldsmobile, Pontiac\u003c\/strong\u003e, and other compatible applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"253uva\" data-start=\"2790\" data-end=\"2946\"\u003e\n\u003cp data-start=\"2792\" data-end=\"2946\"\u003eCommon uses include select \u003cstrong data-start=\"2819\" data-end=\"2872\"\u003eGM 4.3L V6, 5.0L V8, 5.7L V8, and 7.4L V8 engines\u003c\/strong\u003e, along with select \u003cstrong data-start=\"2892\" data-end=\"2943\"\u003eFord 5.8L V8, 7.0L V8, and 7.5L V8 applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x2qtrn\" data-start=\"2947\" data-end=\"3077\"\u003e\n\u003cp data-start=\"2949\" data-end=\"3077\"\u003ePreserve the full application table from the original source for exact \u003cstrong data-start=\"3020\" data-end=\"3076\"\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":46285626540231,"sku":"ELE1973","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-12142922.png?v=1773350831","url":"https:\/\/mainstreeteshop.com\/products\/champion-copper-plus-spark-plug-406","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}