{"product_id":"ngk-4929-dpr8ea-9-nickel-spark-plug","title":"NGK 4929 DPR8EA-9 Nickel Spark Plug","description":"\u003ch3 data-section-id=\"hxsibk\" data-start=\"46\" data-end=\"63\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"64\" data-end=\"411\"\u003eThe NGK DPR8EA-9 is a \u003cstrong data-start=\"86\" data-end=\"124\"\u003estandard OE replacement spark plug\u003c\/strong\u003e designed for reliable ignition performance in motorcycles and powersports engines. Built with NGK’s trusted copper-core technology and durable nickel electrodes, it ensures \u003cstrong data-start=\"298\" data-end=\"369\"\u003econsistent spark, efficient heat transfer, and dependable operation\u003c\/strong\u003e across a wide range of riding conditions.\u003c\/p\u003e\n\u003cp data-start=\"413\" data-end=\"512\"\u003ePre-gapped at \u003cstrong data-start=\"427\" data-end=\"437\"\u003e0.9 mm\u003c\/strong\u003e, this plug is ready for installation in most applications that specify it.\u003c\/p\u003e\n\u003chr data-start=\"514\" data-end=\"517\"\u003e\n\u003ch3 data-section-id=\"1sboupi\" data-start=\"519\" data-end=\"537\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"538\" data-end=\"919\"\u003e\n\u003cli data-section-id=\"13m8ont\" data-start=\"538\" data-end=\"613\"\u003e\n\u003cstrong data-start=\"540\" data-end=\"575\"\u003eOEM-equivalent nickel electrode\u003c\/strong\u003e for dependable, consistent ignition\u003c\/li\u003e\n\u003cli data-section-id=\"zz43pi\" data-start=\"614\" data-end=\"685\"\u003e\n\u003cstrong data-start=\"616\" data-end=\"635\"\u003e98% copper core\u003c\/strong\u003e improves heat dissipation and engine efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"12rpkkp\" data-start=\"686\" data-end=\"756\"\u003e\n\u003cstrong data-start=\"688\" data-end=\"715\"\u003eTrivalent metal plating\u003c\/strong\u003e resists corrosion and prevents seizing\u003c\/li\u003e\n\u003cli data-section-id=\"115hfyz\" data-start=\"757\" data-end=\"815\"\u003e\n\u003cstrong data-start=\"759\" data-end=\"781\"\u003eTriple gasket seal\u003c\/strong\u003e prevents combustion gas leakage\u003c\/li\u003e\n\u003cli data-section-id=\"19jdkli\" data-start=\"816\" data-end=\"872\"\u003eHigh-strength \u003cstrong data-start=\"832\" data-end=\"870\"\u003ealumina silicate ceramic insulator\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"67x67k\" data-start=\"873\" data-end=\"919\"\u003e\n\u003cstrong data-start=\"875\" data-end=\"898\"\u003ePre-gapped (0.9 mm)\u003c\/strong\u003e for easier install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"921\" data-end=\"924\"\u003e\n\u003ch3 data-section-id=\"e5mrjc\" data-start=\"926\" data-end=\"946\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp data-start=\"948\" data-end=\"959\"\u003e\u003cstrong data-start=\"948\" data-end=\"959\"\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"960\" data-end=\"1076\"\u003e\n\u003cli data-section-id=\"1j780co\" data-start=\"960\" data-end=\"985\"\u003ePart Number: DPR8EA-9\u003c\/li\u003e\n\u003cli data-section-id=\"s9j93r\" data-start=\"986\" data-end=\"1008\"\u003eStock Number: 4929\u003c\/li\u003e\n\u003cli data-section-id=\"1g1ug6g\" data-start=\"1009\" data-end=\"1033\"\u003eHeat Range: 8 (cold)\u003c\/li\u003e\n\u003cli data-section-id=\"odlz33\" data-start=\"1034\" data-end=\"1060\"\u003eResistor: Yes (5k Ohm)\u003c\/li\u003e\n\u003cli data-section-id=\"19k72o3\" data-start=\"1061\" data-end=\"1076\"\u003eGap: 0.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1078\" data-end=\"1087\"\u003e\u003cstrong data-start=\"1078\" data-end=\"1087\"\u003eShell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1088\" data-end=\"1213\"\u003e\n\u003cli data-section-id=\"1jlyrqv\" data-start=\"1088\" data-end=\"1115\"\u003eThread Size: M12 x 1.25\u003c\/li\u003e\n\u003cli data-section-id=\"1w8czma\" data-start=\"1116\" data-end=\"1150\"\u003eSeat Type: Flat (crush washer)\u003c\/li\u003e\n\u003cli data-section-id=\"ftj7p5\" data-start=\"1151\" data-end=\"1169\"\u003eReach: 19.0 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1d18pl7\" data-start=\"1170\" data-end=\"1189\"\u003eHex Size: 18 mm\u003c\/li\u003e\n\u003cli data-section-id=\"xey2go\" data-start=\"1190\" data-end=\"1213\"\u003eTerminal Type: Stud\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1215\" data-end=\"1229\"\u003e\u003cstrong data-start=\"1215\" data-end=\"1229\"\u003eElectrodes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1230\" data-end=\"1343\"\u003e\n\u003cli data-section-id=\"13qsebc\" data-start=\"1230\" data-end=\"1258\"\u003eCenter Electrode: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"1egn37a\" data-start=\"1259\" data-end=\"1287\"\u003eGround Electrode: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"rsnolv\" data-start=\"1288\" data-end=\"1312\"\u003eConfiguration: J-gap\u003c\/li\u003e\n\u003cli data-section-id=\"12sgm36\" data-start=\"1313\" data-end=\"1343\"\u003eProjection: Mid projection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1345\" data-end=\"1348\"\u003e\n\u003ch3 data-section-id=\"biql0s\" data-start=\"1350\" data-end=\"1374\"\u003eFitment Highlights\u003c\/h3\u003e\n\u003cp data-start=\"1376\" data-end=\"1455\"\u003eThis plug fits a \u003cstrong data-start=\"1393\" data-end=\"1443\"\u003ewide range of motorcycles and dual-sport bikes\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cp data-start=\"1457\" data-end=\"1466\"\u003e\u003cstrong data-start=\"1457\" data-end=\"1466\"\u003eHonda\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1467\" data-end=\"1573\"\u003e\n\u003cli data-section-id=\"1lqbeb0\" data-start=\"1467\" data-end=\"1535\"\u003eCB, CBR, Nighthawk, Gold Wing, Shadow, Rebel, XR, XL, CRF series\u003c\/li\u003e\n\u003cli data-section-id=\"1drpfgm\" data-start=\"1536\" data-end=\"1573\"\u003eModels spanning early 1980s–2020s\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1575\" data-end=\"1587\"\u003e\u003cstrong data-start=\"1575\" data-end=\"1587\"\u003eKawasaki\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1588\" data-end=\"1656\"\u003e\n\u003cli data-section-id=\"l4d58o\" data-start=\"1588\" data-end=\"1629\"\u003eKLR650 (including newer 2022+ models)\u003c\/li\u003e\n\u003cli data-section-id=\"1tolhyf\" data-start=\"1630\" data-end=\"1656\"\u003eKLX650, ZG1200 Voyager\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1658\" data-end=\"1668\"\u003e\u003cstrong data-start=\"1658\" data-end=\"1668\"\u003eSuzuki\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1669\" data-end=\"1748\"\u003e\n\u003cli data-section-id=\"3my601\" data-start=\"1669\" data-end=\"1687\"\u003eGS500 \/ GS500F\u003c\/li\u003e\n\u003cli data-section-id=\"141run4\" data-start=\"1688\" data-end=\"1717\"\u003eBoulevard (S40, S50, S83)\u003c\/li\u003e\n\u003cli data-section-id=\"x6v4wb\" data-start=\"1718\" data-end=\"1748\"\u003eIntruder \u0026amp; Marauder series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1750\" data-end=\"1761\"\u003e\u003cstrong data-start=\"1750\" data-end=\"1761\"\u003eTriumph\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1762\" data-end=\"1847\"\u003e\n\u003cli data-section-id=\"19ljm2j\" data-start=\"1762\" data-end=\"1797\"\u003eBonneville, Thruxton, Scrambler\u003c\/li\u003e\n\u003cli data-section-id=\"58yhwz\" data-start=\"1798\" data-end=\"1847\"\u003eSpeed Triple, Sprint, Thunderbird, Rocket III\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1849\" data-end=\"1859\"\u003e\u003cstrong data-start=\"1849\" data-end=\"1859\"\u003eYamaha\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1860\" data-end=\"1933\"\u003e\n\u003cli data-section-id=\"cntrtd\" data-start=\"1860\" data-end=\"1876\"\u003eV-Max, XT600\u003c\/li\u003e\n\u003cli data-section-id=\"olo65b\" data-start=\"1877\" data-end=\"1933\"\u003eRoadliner \/ Stratoliner \/ Raider \/ Royal Star series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1935\" data-end=\"1942\"\u003e\u003cstrong data-start=\"1935\" data-end=\"1942\"\u003eKTM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1943\" data-end=\"1956\"\u003e\n\u003cli data-section-id=\"ssg2s2\" data-start=\"1943\" data-end=\"1956\"\u003e660 Rally\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1958\" data-end=\"2039\"\u003e\u003cem data-start=\"1958\" data-end=\"2039\"\u003e(Covers decades of bikes—from vintage carbureted models to modern dual-sports.)\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"2041\" data-end=\"2044\"\u003e\n\u003ch3 data-section-id=\"309kgt\" data-start=\"2046\" data-end=\"2069\"\u003ePerformance Notes\u003c\/h3\u003e\n\u003cul data-start=\"2070\" data-end=\"2399\"\u003e\n\u003cli data-section-id=\"1gg3ard\" data-start=\"2070\" data-end=\"2160\"\u003e\n\u003cstrong data-start=\"2072\" data-end=\"2103\"\u003eHeat range 8 (colder plug):\u003c\/strong\u003e ideal for higher-performance or hotter-running engines\u003c\/li\u003e\n\u003cli data-section-id=\"ltc2pd\" data-start=\"2161\" data-end=\"2240\"\u003eDesigned for engines using \u003cstrong data-start=\"2190\" data-end=\"2238\"\u003estandard nickel plugs (not platinum\/iridium)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"170a9hh\" data-start=\"2241\" data-end=\"2329\"\u003eExcellent for \u003cstrong data-start=\"2257\" data-end=\"2327\"\u003estreet bikes, cruisers, touring bikes, and dual-sport applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fti5de\" data-start=\"2330\" data-end=\"2399\"\u003eTypical service life: \u003cstrong data-start=\"2354\" data-end=\"2372\"\u003e~20k–30k miles\u003c\/strong\u003e, depending on conditions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":46440325185735,"sku":"ELE2173","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-4929-dpr8ea-9-nickel-spark-plug","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}