{"product_id":"champion-555-spark-plug","title":"Champion 555 Spark Plug","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"171\" data-end=\"185\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"186\" data-end=\"538\"\u003eThe \u003cstrong data-start=\"190\" data-end=\"217\"\u003eChampion 555 Spark Plug\u003c\/strong\u003e is designed to deliver reliable ignition performance in a variety of automotive, agricultural, industrial, and stationary engine applications. Built with Champion engineering from Federal-Mogul, this spark plug is manufactured to perform consistently in \u003cstrong data-start=\"472\" data-end=\"537\"\u003ehigh-compression engines and demanding operating environments\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"540\" data-end=\"892\"\u003eConstructed with durable nickel electrode materials and precision manufacturing, the Champion 555 provides dependable spark delivery and long service life. Its flat seat configuration, removable terminal nut, and factory pre-gap allow for straightforward installation across many legacy engines used in vehicles, generators, compressors, and equipment.\u003c\/p\u003e\n\u003cp data-start=\"894\" data-end=\"1124\"\u003eDesigned to withstand \u003cstrong data-start=\"916\" data-end=\"963\"\u003ehigh temperatures and heavy load conditions\u003c\/strong\u003e, the Champion 555 helps maintain stable combustion and reliable engine starting in equipment where durability and consistent ignition performance are essential.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"1126\" data-end=\"1137\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"1139\" data-end=\"1753\"\u003e\n\u003cli data-section-id=\"1u9f47l\" data-start=\"1139\" data-end=\"1210\"\u003e\n\u003cp data-start=\"1141\" data-end=\"1210\"\u003eDesigned for high-compression and aggressive operating environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fqlkke\" data-start=\"1211\" data-end=\"1255\"\u003e\n\u003cp data-start=\"1213\" data-end=\"1255\"\u003eManufactured for long-lasting durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lqrghd\" data-start=\"1256\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1258\" data-end=\"1307\"\u003eBacked by global engineering from Federal-Mogul\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15ymq02\" data-start=\"1308\" data-end=\"1393\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1393\"\u003eStandard replacement spark plug for automotive, generator, and industrial engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8gdp7k\" data-start=\"1394\" data-end=\"1457\"\u003e\n\u003cp data-start=\"1396\" data-end=\"1457\"\u003eNickel center electrode for dependable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vqljzu\" data-start=\"1458\" data-end=\"1513\"\u003e\n\u003cp data-start=\"1460\" data-end=\"1513\"\u003eNickel copper alloy ground electrode for durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dzu6ji\" data-start=\"1514\" data-end=\"1579\"\u003e\n\u003cp data-start=\"1516\" data-end=\"1579\"\u003ePre-gapped at 0.025 in (0.65 mm) for installation convenience\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1z00nu8\" data-start=\"1580\" data-end=\"1626\"\u003e\n\u003cp data-start=\"1582\" data-end=\"1626\"\u003eFlat seat design for proper engine fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13fd98j\" data-start=\"1627\" data-end=\"1689\"\u003e\n\u003cp data-start=\"1629\" data-end=\"1689\"\u003eNon-resistor construction for traditional ignition systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"elyyv1\" data-start=\"1690\" data-end=\"1753\"\u003e\n\u003cp data-start=\"1692\" data-end=\"1753\"\u003eRemovable terminal nut for flexible ignition wire connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1755\" data-end=\"1772\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1774\" data-end=\"2530\"\u003e\n\u003cli data-section-id=\"1qpht86\" data-start=\"1774\" data-end=\"1806\"\u003e\n\u003cp data-start=\"1776\" data-end=\"1806\"\u003ePart Description: Spark Plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1w81wf2\" data-start=\"1807\" data-end=\"1848\"\u003e\n\u003cp data-start=\"1809\" data-end=\"1848\"\u003eCenter Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"42bjef\" data-start=\"1849\" data-end=\"1886\"\u003e\n\u003cp data-start=\"1851\" data-end=\"1886\"\u003eCenter Electrode Design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qfk76e\" data-start=\"1887\" data-end=\"1926\"\u003e\n\u003cp data-start=\"1889\" data-end=\"1926\"\u003eCenter Electrode Diameter: 0.125 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tcgx5m\" data-start=\"1927\" data-end=\"1959\"\u003e\n\u003cp data-start=\"1929\" data-end=\"1959\"\u003eGround Electrode Quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"es7l3k\" data-start=\"1960\" data-end=\"2001\"\u003e\n\u003cp data-start=\"1962\" data-end=\"2001\"\u003eGround Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"psgbmu\" data-start=\"2002\" data-end=\"2044\"\u003e\n\u003cp data-start=\"2004\" data-end=\"2044\"\u003eGround Electrode Core Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sunzm9\" data-start=\"2045\" data-end=\"2095\"\u003e\n\u003cp data-start=\"2047\" data-end=\"2095\"\u003eGround Electrode Material: Nickel Copper Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sifirb\" data-start=\"2096\" data-end=\"2132\"\u003e\n\u003cp data-start=\"2098\" data-end=\"2132\"\u003ePre-Gap Size: 0.025 in \/ 0.65 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h15ne9\" data-start=\"2133\" data-end=\"2167\"\u003e\n\u003cp data-start=\"2135\" data-end=\"2167\"\u003eHex Size: 0.875 in \/ 22.230 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eukoxx\" data-start=\"2168\" data-end=\"2199\"\u003e\n\u003cp data-start=\"2170\" data-end=\"2199\"\u003eManufacturer Heat Range: 16\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12ns31y\" data-start=\"2200\" data-end=\"2219\"\u003e\n\u003cp data-start=\"2202\" data-end=\"2219\"\u003eSeat Type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cq6m5f\" data-start=\"2220\" data-end=\"2237\"\u003e\n\u003cp data-start=\"2222\" data-end=\"2237\"\u003eReach: 0.5 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zuayis\" data-start=\"2238\" data-end=\"2279\"\u003e\n\u003cp data-start=\"2240\" data-end=\"2279\"\u003eThread Diameter: 0.709 in \/ 18.000 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fym0qk\" data-start=\"2280\" data-end=\"2301\"\u003e\n\u003cp data-start=\"2282\" data-end=\"2301\"\u003eResistor Type: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2lg8h2\" data-start=\"2302\" data-end=\"2345\"\u003e\n\u003cp data-start=\"2304\" data-end=\"2345\"\u003eElectrical Terminal Type: Removable Nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cf799m\" data-start=\"2346\" data-end=\"2363\"\u003e\n\u003cp data-start=\"2348\" data-end=\"2363\"\u003eHex Type: Hex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14ndjqp\" data-start=\"2364\" data-end=\"2393\"\u003e\n\u003cp data-start=\"2366\" data-end=\"2393\"\u003eInstalled Height: 2.25 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8yoega\" data-start=\"2394\" data-end=\"2420\"\u003e\n\u003cp data-start=\"2396\" data-end=\"2420\"\u003eTaper Diameter: 0.4 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"143vwm7\" data-start=\"2421\" data-end=\"2468\"\u003e\n\u003cp data-start=\"2423\" data-end=\"2468\"\u003eClassification: Champion Agricultural Plugs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kxcai\" data-start=\"2469\" data-end=\"2505\"\u003e\n\u003cp data-start=\"2471\" data-end=\"2505\"\u003eGrade Type: Standard Replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15l95ca\" data-start=\"2506\" data-end=\"2530\"\u003e\n\u003cp data-start=\"2508\" data-end=\"2530\"\u003eSubject to Prop 65: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"2532\" data-end=\"2542\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"2544\" data-end=\"2635\"\u003eCompatible with a variety of \u003cstrong data-start=\"2573\" data-end=\"2634\"\u003eautomotive, generator, and industrial engine applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"upkb4c\" data-start=\"2637\" data-end=\"2664\"\u003eAutomotive Applications\u003c\/h3\u003e\n\u003cul data-start=\"2666\" data-end=\"3341\"\u003e\n\u003cli data-section-id=\"6q7hm1\" data-start=\"2666\" data-end=\"2710\"\u003e\n\u003cp data-start=\"2668\" data-end=\"2710\"\u003eChecker A2 (1947–1950) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5554bs\" data-start=\"2711\" data-end=\"2755\"\u003e\n\u003cp data-start=\"2713\" data-end=\"2755\"\u003eChecker A3 (1947–1950) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fjggp7\" data-start=\"2756\" data-end=\"2800\"\u003e\n\u003cp data-start=\"2758\" data-end=\"2800\"\u003eChecker A4 (1950–1952) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nkg22y\" data-start=\"2801\" data-end=\"2845\"\u003e\n\u003cp data-start=\"2803\" data-end=\"2845\"\u003eChecker A5 (1950–1952) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1e3efrg\" data-start=\"2846\" data-end=\"2890\"\u003e\n\u003cp data-start=\"2848\" data-end=\"2890\"\u003eChecker A6 (1953–1954) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16sm1jh\" data-start=\"2891\" data-end=\"2935\"\u003e\n\u003cp data-start=\"2893\" data-end=\"2935\"\u003eChecker A7 (1953–1954) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qz4z0o\" data-start=\"2936\" data-end=\"2980\"\u003e\n\u003cp data-start=\"2938\" data-end=\"2980\"\u003eChecker A8 (1955–1958) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fiiex6\" data-start=\"2981\" data-end=\"3026\"\u003e\n\u003cp data-start=\"2983\" data-end=\"3026\"\u003eChecker A8B (1955–1958) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8672lo\" data-start=\"3027\" data-end=\"3071\"\u003e\n\u003cp data-start=\"3029\" data-end=\"3071\"\u003eChecker A9 (1958–1963) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"74kcw0\" data-start=\"3072\" data-end=\"3117\"\u003e\n\u003cp data-start=\"3074\" data-end=\"3117\"\u003eChecker A9L (1958–1963) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11b3a22\" data-start=\"3118\" data-end=\"3167\"\u003e\n\u003cp data-start=\"3120\" data-end=\"3167\"\u003eChecker Aerobus (1959–1961) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"912x5n\" data-start=\"3168\" data-end=\"3218\"\u003e\n\u003cp data-start=\"3170\" data-end=\"3218\"\u003eChecker Marathon (1961–1964) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1upxrlp\" data-start=\"3219\" data-end=\"3268\"\u003e\n\u003cp data-start=\"3221\" data-end=\"3268\"\u003eChecker Superba (1960–1963) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5xmswt\" data-start=\"3269\" data-end=\"3318\"\u003e\n\u003cp data-start=\"3271\" data-end=\"3318\"\u003eChecker Taxicab (1952–1964) – 3.7L L6 226 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"srhfkq\" data-start=\"3319\" data-end=\"3341\"\u003e\n\u003cp data-start=\"3321\" data-end=\"3341\"\u003eFord Model 68 (1936)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"pz1yka\" data-start=\"3343\" data-end=\"3396\"\u003eIndustrial, Generator, and Equipment Applications\u003c\/h3\u003e\n\u003cul data-start=\"3398\" data-end=\"3734\"\u003e\n\u003cli data-section-id=\"p75zn9\" data-start=\"3398\" data-end=\"3473\"\u003e\n\u003cp data-start=\"3400\" data-end=\"3473\"\u003eKohler generators: 1KW, 5KW, 10KW, 15KW, 35KW, 50KW, 100KW, 800W models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"k5ftej\" data-start=\"3474\" data-end=\"3498\"\u003e\n\u003cp data-start=\"3476\" data-end=\"3498\"\u003eKohler 75R81 engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gnwi81\" data-start=\"3499\" data-end=\"3560\"\u003e\n\u003cp data-start=\"3501\" data-end=\"3560\"\u003eSchramm compressors: 20, 35, 40 Pneumapower, 250 Unistage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1uc7up6\" data-start=\"3561\" data-end=\"3585\"\u003e\n\u003cp data-start=\"3563\" data-end=\"3585\"\u003eClimax R-165 engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ipnwdy\" data-start=\"3586\" data-end=\"3619\"\u003e\n\u003cp data-start=\"3588\" data-end=\"3619\"\u003eShaw Du-All R7, R9, R12T, HY8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1srba02\" data-start=\"3620\" data-end=\"3653\"\u003e\n\u003cp data-start=\"3622\" data-end=\"3653\"\u003eNew Holland Haybine equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10gp0zd\" data-start=\"3654\" data-end=\"3682\"\u003e\n\u003cp data-start=\"3656\" data-end=\"3682\"\u003eJoy industrial equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rigj2f\" data-start=\"3683\" data-end=\"3704\"\u003e\n\u003cp data-start=\"3685\" data-end=\"3704\"\u003eLincoln equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nl8fu7\" data-start=\"3705\" data-end=\"3734\"\u003e\n\u003cp data-start=\"3707\" data-end=\"3734\"\u003eCurtis industrial equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3736\" data-end=\"3865\"\u003e(Always verify engine specifications and manufacturer recommendations to confirm correct spark plug fitment before installation.)\u003c\/p\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":46286458323143,"sku":"ELE1997","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-12163706.png?v=1773358495","url":"https:\/\/mainstreeteshop.com\/products\/champion-555-spark-plug","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}