{"product_id":"ngk-4578-cr7e-nickel-spark-plug","title":"NGK 4578 CR7E Nickel Spark Plug","description":"\u003ch3 data-section-id=\"hxsibk\" data-start=\"42\" data-end=\"59\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"60\" data-end=\"335\"\u003eThe NGK 4578 CR7E is a standard OE-style nickel spark plug engineered for consistent ignition performance in motorcycles and powersports engines. As part of NGK’s trusted “yellow box” line, it delivers dependable starts, smooth engine operation, and long-lasting reliability.\u003c\/p\u003e\n\u003cp data-start=\"337\" data-end=\"611\"\u003eBuilt with a durable nickel center electrode and a 98% pure copper core, the CR7E ensures efficient heat dissipation and stable combustion. It’s designed specifically for engines that require standard nickel plugs, making it a reliable replacement for many OEM applications.\u003c\/p\u003e\n\u003chr data-start=\"613\" data-end=\"616\"\u003e\n\u003ch3 data-section-id=\"1sboupi\" data-start=\"618\" data-end=\"636\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"637\" data-end=\"1055\"\u003e\n\u003cli data-section-id=\"1q92r83\" data-start=\"637\" data-end=\"702\"\u003eOE-equivalent nickel center electrode for dependable ignition\u003c\/li\u003e\n\u003cli data-section-id=\"1q79pqb\" data-start=\"703\" data-end=\"754\"\u003e98% pure copper core for superior heat transfer\u003c\/li\u003e\n\u003cli data-section-id=\"yr6gi6\" data-start=\"755\" data-end=\"806\"\u003e5k Ohm resistor reduces electrical interference\u003c\/li\u003e\n\u003cli data-section-id=\"1fpf1xr\" data-start=\"807\" data-end=\"874\"\u003eTrivalent metal plating for corrosion resistance and anti-seize\u003c\/li\u003e\n\u003cli data-section-id=\"x8z92z\" data-start=\"875\" data-end=\"932\"\u003eTriple gasket sealing prevents combustion gas leakage\u003c\/li\u003e\n\u003cli data-section-id=\"1d19rlj\" data-start=\"933\" data-end=\"1000\"\u003eHigh-strength ceramic insulator for durability and heat control\u003c\/li\u003e\n\u003cli data-section-id=\"ske5ne\" data-start=\"1001\" data-end=\"1055\"\u003eIdeal for motorcycles and powersports applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1057\" data-end=\"1060\"\u003e\n\u003ch3 data-section-id=\"e5mrjc\" data-start=\"1062\" data-end=\"1082\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp data-start=\"1084\" data-end=\"1095\"\u003e\u003cstrong data-start=\"1084\" data-end=\"1095\"\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1096\" data-end=\"1201\"\u003e\n\u003cli data-section-id=\"1o1yqbp\" data-start=\"1096\" data-end=\"1117\"\u003ePart Number: CR7E\u003c\/li\u003e\n\u003cli data-section-id=\"s17z27\" data-start=\"1118\" data-end=\"1140\"\u003eStock Number: 4578\u003c\/li\u003e\n\u003cli data-section-id=\"rrh54y\" data-start=\"1141\" data-end=\"1158\"\u003eHeat Range: 7\u003c\/li\u003e\n\u003cli data-section-id=\"odlz33\" data-start=\"1159\" data-end=\"1185\"\u003eResistor: Yes (5k Ohm)\u003c\/li\u003e\n\u003cli data-section-id=\"17nphnm\" data-start=\"1186\" data-end=\"1201\"\u003eGap: 0.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1203\" data-end=\"1212\"\u003e\u003cstrong data-start=\"1203\" data-end=\"1212\"\u003eShell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1213\" data-end=\"1333\"\u003e\n\u003cli data-section-id=\"16ikvlu\" data-start=\"1213\" data-end=\"1239\"\u003eThread Size: M10 x 1.0\u003c\/li\u003e\n\u003cli data-section-id=\"p65b94\" data-start=\"1240\" data-end=\"1268\"\u003eSeat Type: Flat (Gasket)\u003c\/li\u003e\n\u003cli data-section-id=\"ftj7p5\" data-start=\"1269\" data-end=\"1287\"\u003eReach: 19.0 mm\u003c\/li\u003e\n\u003cli data-section-id=\"m7gk6c\" data-start=\"1288\" data-end=\"1314\"\u003eHex Size: 5\/8\" (16 mm)\u003c\/li\u003e\n\u003cli data-section-id=\"cvaggw\" data-start=\"1315\" data-end=\"1333\"\u003eTerminal: Stud\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1335\" data-end=\"1349\"\u003e\u003cstrong data-start=\"1335\" data-end=\"1349\"\u003eElectrodes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1350\" data-end=\"1479\"\u003e\n\u003cli data-section-id=\"nd77wa\" data-start=\"1350\" data-end=\"1395\"\u003eCenter Electrode: Nickel with copper core\u003c\/li\u003e\n\u003cli data-section-id=\"1egn37a\" data-start=\"1396\" data-end=\"1424\"\u003eGround Electrode: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"r7e56b\" data-start=\"1425\" data-end=\"1449\"\u003eConfiguration: J-Gap\u003c\/li\u003e\n\u003cli data-section-id=\"1k7xord\" data-start=\"1450\" data-end=\"1479\"\u003eProjection: Non-projected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1481\" data-end=\"1484\"\u003e\n\u003ch3 data-section-id=\"biql0s\" data-start=\"1486\" data-end=\"1510\"\u003eFitment Highlights\u003c\/h3\u003e\n\u003cp data-start=\"1512\" data-end=\"1523\"\u003e\u003cstrong data-start=\"1512\" data-end=\"1523\"\u003eAprilia\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1524\" data-end=\"1568\"\u003e\n\u003cli data-section-id=\"se7nrl\" data-start=\"1524\" data-end=\"1568\"\u003ePegaso 650 \/ Factory \/ Trail (2006–2007)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1570\" data-end=\"1582\"\u003e\u003cstrong data-start=\"1570\" data-end=\"1582\"\u003eKawasaki\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1583\" data-end=\"1704\"\u003e\n\u003cli data-section-id=\"1qx8ybu\" data-start=\"1583\" data-end=\"1615\"\u003eBN125 Eliminator (2001–2009)\u003c\/li\u003e\n\u003cli data-section-id=\"1d4tyx2\" data-start=\"1616\" data-end=\"1645\"\u003eKL250 Super Sherpa (2010)\u003c\/li\u003e\n\u003cli data-section-id=\"rd364x\" data-start=\"1646\" data-end=\"1664\"\u003eKLX250S (2010)\u003c\/li\u003e\n\u003cli data-section-id=\"1pmhp4q\" data-start=\"1665\" data-end=\"1704\"\u003eVN800 Vulcan 800 series (1995–2006)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1706\" data-end=\"1716\"\u003e\u003cstrong data-start=\"1706\" data-end=\"1716\"\u003eSuzuki\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1717\" data-end=\"1811\"\u003e\n\u003cli data-section-id=\"wintpe\" data-start=\"1717\" data-end=\"1759\"\u003eGSF1250 Bandit \/ ABS (2007–2009, 2016)\u003c\/li\u003e\n\u003cli data-section-id=\"1sn5r6u\" data-start=\"1760\" data-end=\"1780\"\u003eGSX1250FA (2011)\u003c\/li\u003e\n\u003cli data-section-id=\"1ntymrb\" data-start=\"1781\" data-end=\"1811\"\u003eGW250 \/ GW250F (2013–2017)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1813\" data-end=\"1816\"\u003e\n\u003ch3 data-section-id=\"309kgt\" data-start=\"1818\" data-end=\"1841\"\u003ePerformance Notes\u003c\/h3\u003e\n\u003cul data-start=\"1842\" data-end=\"2129\"\u003e\n\u003cli data-section-id=\"1g2t2uk\" data-start=\"1842\" data-end=\"1916\"\u003eHeat range 7 provides balanced performance for a wide range of engines\u003c\/li\u003e\n\u003cli data-section-id=\"1ez6hdc\" data-start=\"1917\" data-end=\"1972\"\u003eIdeal for mid-size motorcycles and dual-sport bikes\u003c\/li\u003e\n\u003cli data-section-id=\"i30h34\" data-start=\"1973\" data-end=\"2058\"\u003eDesigned for engines requiring \u003cstrong data-start=\"2006\" data-end=\"2031\"\u003estandard nickel plugs\u003c\/strong\u003e, not platinum or iridium\u003c\/li\u003e\n\u003cli data-section-id=\"18gmi0m\" data-start=\"2059\" data-end=\"2129\"\u003eReliable for everyday riding, commuting, and light performance use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":46440231174343,"sku":"ELE2170","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-04-23102317.png?v=1776965004","url":"https:\/\/mainstreeteshop.com\/products\/ngk-4578-cr7e-nickel-spark-plug","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}