{"product_id":"ngk-4549-cr7hsa-nickel-spark-plug","title":"NGK 4549 CR7HSA Nickel Spark Plug","description":"\u003ch3 data-section-id=\"hxsibk\" data-start=\"44\" data-end=\"61\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"62\" data-end=\"344\"\u003eThe NGK 4549 CR7HSA is a reliable OE-style nickel spark plug designed for small-displacement motorcycles, dirt bikes, and powersports engines. Built with NGK’s trusted “yellow box” construction, it delivers consistent ignition, smooth operation, and dependable starting performance.\u003c\/p\u003e\n\u003cp data-start=\"346\" data-end=\"646\"\u003eFeaturing a copper core for efficient heat dissipation and a durable nickel center electrode, this plug is ideal for engines that require standard nickel plugs. Its compact design and proper heat range make it especially well-suited for smaller engines used in off-road and recreational applications.\u003c\/p\u003e\n\u003chr data-start=\"648\" data-end=\"651\"\u003e\n\u003ch3 data-section-id=\"1sboupi\" data-start=\"653\" data-end=\"671\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"672\" data-end=\"1081\"\u003e\n\u003cli data-section-id=\"yz6d0f\" data-start=\"672\" data-end=\"735\"\u003eOE-equivalent nickel center electrode for reliable ignition\u003c\/li\u003e\n\u003cli data-section-id=\"4hfp9u\" data-start=\"736\" data-end=\"788\"\u003e98% pure copper core for excellent heat transfer\u003c\/li\u003e\n\u003cli data-section-id=\"yr6gi6\" data-start=\"789\" data-end=\"840\"\u003e5k Ohm resistor reduces electrical interference\u003c\/li\u003e\n\u003cli data-section-id=\"1fpf1xr\" data-start=\"841\" data-end=\"908\"\u003eTrivalent metal plating for corrosion resistance and anti-seize\u003c\/li\u003e\n\u003cli data-section-id=\"x8z92z\" data-start=\"909\" data-end=\"966\"\u003eTriple gasket sealing prevents combustion gas leakage\u003c\/li\u003e\n\u003cli data-section-id=\"1kju2bw\" data-start=\"967\" data-end=\"1025\"\u003eCompact design ideal for small engines and powersports\u003c\/li\u003e\n\u003cli data-section-id=\"1tod37\" data-start=\"1026\" data-end=\"1081\"\u003eProven durability for off-road and recreational use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1083\" data-end=\"1086\"\u003e\n\u003ch3 data-section-id=\"e5mrjc\" data-start=\"1088\" data-end=\"1108\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp data-start=\"1110\" data-end=\"1121\"\u003e\u003cstrong data-start=\"1110\" data-end=\"1121\"\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1122\" data-end=\"1229\"\u003e\n\u003cli data-section-id=\"1f1tanu\" data-start=\"1122\" data-end=\"1145\"\u003ePart Number: CR7HSA\u003c\/li\u003e\n\u003cli data-section-id=\"s14599\" data-start=\"1146\" data-end=\"1168\"\u003eStock Number: 4549\u003c\/li\u003e\n\u003cli data-section-id=\"rrh54y\" data-start=\"1169\" data-end=\"1186\"\u003eHeat Range: 7\u003c\/li\u003e\n\u003cli data-section-id=\"odlz33\" data-start=\"1187\" data-end=\"1213\"\u003eResistor: Yes (5k Ohm)\u003c\/li\u003e\n\u003cli data-section-id=\"1g0m8el\" data-start=\"1214\" data-end=\"1229\"\u003eGap: 0.7 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1231\" data-end=\"1240\"\u003e\u003cstrong data-start=\"1231\" data-end=\"1240\"\u003eShell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1241\" data-end=\"1361\"\u003e\n\u003cli data-section-id=\"16ikvlu\" data-start=\"1241\" data-end=\"1267\"\u003eThread Size: M10 x 1.0\u003c\/li\u003e\n\u003cli data-section-id=\"p65b94\" data-start=\"1268\" data-end=\"1296\"\u003eSeat Type: Flat (Gasket)\u003c\/li\u003e\n\u003cli data-section-id=\"zk125x\" data-start=\"1297\" data-end=\"1315\"\u003eReach: 12.7 mm\u003c\/li\u003e\n\u003cli data-section-id=\"m7gk6c\" data-start=\"1316\" data-end=\"1342\"\u003eHex Size: 5\/8\" (16 mm)\u003c\/li\u003e\n\u003cli data-section-id=\"cvaggw\" data-start=\"1343\" data-end=\"1361\"\u003eTerminal: Stud\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1363\" data-end=\"1377\"\u003e\u003cstrong data-start=\"1363\" data-end=\"1377\"\u003eElectrodes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1378\" data-end=\"1507\"\u003e\n\u003cli data-section-id=\"nd77wa\" data-start=\"1378\" data-end=\"1423\"\u003eCenter Electrode: Nickel with copper core\u003c\/li\u003e\n\u003cli data-section-id=\"1egn37a\" data-start=\"1424\" data-end=\"1452\"\u003eGround Electrode: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"r7e56b\" data-start=\"1453\" data-end=\"1477\"\u003eConfiguration: J-Gap\u003c\/li\u003e\n\u003cli data-section-id=\"1k7xord\" data-start=\"1478\" data-end=\"1507\"\u003eProjection: Non-projected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1509\" data-end=\"1512\"\u003e\n\u003ch3 data-section-id=\"biql0s\" data-start=\"1514\" data-end=\"1538\"\u003eFitment Highlights\u003c\/h3\u003e\n\u003cp data-start=\"1540\" data-end=\"1549\"\u003e\u003cstrong data-start=\"1540\" data-end=\"1549\"\u003eHonda\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1550\" data-end=\"1629\"\u003e\n\u003cli data-section-id=\"18fbdoo\" data-start=\"1550\" data-end=\"1582\"\u003eCRF80F \/ CRF100F (2004–2011)\u003c\/li\u003e\n\u003cli data-section-id=\"7g1e07\" data-start=\"1583\" data-end=\"1600\"\u003eNSF100 (2006)\u003c\/li\u003e\n\u003cli data-section-id=\"1yvr1c4\" data-start=\"1601\" data-end=\"1629\"\u003eXR80 \/ XR80R (1982–2003)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1631\" data-end=\"1643\"\u003e\u003cstrong data-start=\"1631\" data-end=\"1643\"\u003eKawasaki\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1644\" data-end=\"1717\"\u003e\n\u003cli data-section-id=\"1x6qaet\" data-start=\"1644\" data-end=\"1686\"\u003eKLX140 \/ KLX140L \/ KLX140G (2008–2024)\u003c\/li\u003e\n\u003cli data-section-id=\"2vpaak\" data-start=\"1687\" data-end=\"1717\"\u003eKLX140R series (2021–2024)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1719\" data-end=\"1729\"\u003e\u003cstrong data-start=\"1719\" data-end=\"1729\"\u003eSuzuki\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1730\" data-end=\"1775\"\u003e\n\u003cli data-section-id=\"ucz9gw\" data-start=\"1730\" data-end=\"1752\"\u003eDR-Z50 (2019–2024)\u003c\/li\u003e\n\u003cli data-section-id=\"iks40t\" data-start=\"1753\" data-end=\"1775\"\u003eDR-Z70 (2008–2018)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1777\" data-end=\"1787\"\u003e\u003cstrong data-start=\"1777\" data-end=\"1787\"\u003eYamaha\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1788\" data-end=\"1864\"\u003e\n\u003cli data-section-id=\"rrp27x\" data-start=\"1788\" data-end=\"1841\"\u003eTTR125 \/ TTR125E \/ TTR125L \/ TTR125LE (2000–2019)\u003c\/li\u003e\n\u003cli data-section-id=\"1rq4z9i\" data-start=\"1842\" data-end=\"1864\"\u003eTTR50E (2006–2019)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1866\" data-end=\"1869\"\u003e\n\u003ch3 data-section-id=\"309kgt\" data-start=\"1871\" data-end=\"1894\"\u003ePerformance Notes\u003c\/h3\u003e\n\u003cul data-start=\"1895\" data-end=\"2219\"\u003e\n\u003cli data-section-id=\"ibc7vc\" data-start=\"1895\" data-end=\"1969\"\u003eHeat range 7 offers a balanced operating temperature for small engines\u003c\/li\u003e\n\u003cli data-section-id=\"1evlw48\" data-start=\"1970\" data-end=\"2037\"\u003eIdeal for trail bikes, pit bikes, and recreational off-road use\u003c\/li\u003e\n\u003cli data-section-id=\"re93v5\" data-start=\"2038\" data-end=\"2129\"\u003eDesigned for engines requiring \u003cstrong data-start=\"2071\" data-end=\"2096\"\u003estandard nickel plugs\u003c\/strong\u003e, not platinum\/iridium upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"1iq1ct7\" data-start=\"2130\" data-end=\"2219\"\u003eReliable choice for consistent starts and smooth idle in smaller displacement engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":46440213938375,"sku":"ELE2169","price":2.99,"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-4549-cr7hsa-nickel-spark-plug","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}