{"product_id":"ngk-7912-d7ea-nickel-spark-plug","title":"NGK 7912 D7EA Nickel Spark Plug","description":"\u003ch3 data-section-id=\"3h1ku8\" data-start=\"42\" data-end=\"57\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"58\" data-end=\"430\"\u003eThe \u003cstrong data-start=\"62\" data-end=\"88\"\u003eNGK D7EA (Stock #7912)\u003c\/strong\u003e is a \u003cstrong data-start=\"94\" data-end=\"124\"\u003estandard nickel spark plug\u003c\/strong\u003e designed for reliable OE-style performance in motorcycles, powersports, and select small engine applications. Built with a \u003cstrong data-start=\"248\" data-end=\"269\"\u003esolid copper core\u003c\/strong\u003e, \u003cstrong data-start=\"271\" data-end=\"294\"\u003enon-resistor design\u003c\/strong\u003e, and \u003cstrong data-start=\"300\" data-end=\"318\"\u003e0.7 mm pre-gap\u003c\/strong\u003e, it provides consistent ignition and efficient heat dissipation for engines that do not require resistor plugs.\u003c\/p\u003e\n\u003chr data-start=\"432\" data-end=\"435\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"437\" data-end=\"453\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"454\" data-end=\"944\"\u003e\n\u003cli data-section-id=\"scb23r\" data-start=\"454\" data-end=\"550\"\u003e\n\u003cstrong data-start=\"456\" data-end=\"488\"\u003eNon-resistor design (0 Ohms)\u003c\/strong\u003e – ideal for applications requiring no electrical resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1wsfp15\" data-start=\"551\" data-end=\"617\"\u003e\n\u003cstrong data-start=\"553\" data-end=\"588\"\u003eOE-style nickel alloy electrode\u003c\/strong\u003e for dependable performance\u003c\/li\u003e\n\u003cli data-section-id=\"124bpec\" data-start=\"618\" data-end=\"680\"\u003e\n\u003cstrong data-start=\"620\" data-end=\"635\"\u003eCopper core\u003c\/strong\u003e enhances heat dissipation and conductivity\u003c\/li\u003e\n\u003cli data-section-id=\"5ydepq\" data-start=\"681\" data-end=\"733\"\u003e\n\u003cstrong data-start=\"683\" data-end=\"704\"\u003e0.7 mm pre-gapped\u003c\/strong\u003e for many compatible setups\u003c\/li\u003e\n\u003cli data-section-id=\"ttbg4\" data-start=\"734\" data-end=\"795\"\u003e\n\u003cstrong data-start=\"736\" data-end=\"763\"\u003eTrivalent metal plating\u003c\/strong\u003e resists corrosion and seizing\u003c\/li\u003e\n\u003cli data-section-id=\"vc9bh4\" data-start=\"796\" data-end=\"877\"\u003e\n\u003cstrong data-start=\"798\" data-end=\"830\"\u003eHigh-grade ceramic insulator\u003c\/strong\u003e improves strength and dielectric performance\u003c\/li\u003e\n\u003cli data-section-id=\"1wdgsqy\" data-start=\"878\" data-end=\"944\"\u003e\n\u003cstrong data-start=\"880\" data-end=\"905\"\u003eTriple gasket sealing\u003c\/strong\u003e helps prevent combustion gas leakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"946\" data-end=\"949\"\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"951\" data-end=\"969\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp data-start=\"971\" data-end=\"982\"\u003e\u003cstrong data-start=\"971\" data-end=\"982\"\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"983\" data-end=\"1154\"\u003e\n\u003cli data-section-id=\"16q4tv5\" data-start=\"983\" data-end=\"1006\"\u003ePart Number: \u003cstrong data-start=\"998\" data-end=\"1006\"\u003eD7EA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"d6pyfw\" data-start=\"1007\" data-end=\"1031\"\u003eStock Number: \u003cstrong data-start=\"1023\" data-end=\"1031\"\u003e7912\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nvw1rf\" data-start=\"1032\" data-end=\"1048\"\u003eBrand: \u003cstrong data-start=\"1041\" data-end=\"1048\"\u003eNGK\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s51f5u\" data-start=\"1049\" data-end=\"1072\"\u003ePlug Type: \u003cstrong data-start=\"1062\" data-end=\"1072\"\u003eNickel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ajksw2\" data-start=\"1073\" data-end=\"1092\"\u003eHeat Range: \u003cstrong data-start=\"1087\" data-end=\"1092\"\u003e7\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ftsq4k\" data-start=\"1093\" data-end=\"1111\"\u003eResistor: \u003cstrong data-start=\"1105\" data-end=\"1111\"\u003eNo\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qw2ke0\" data-start=\"1112\" data-end=\"1136\"\u003eResistance: \u003cstrong data-start=\"1126\" data-end=\"1136\"\u003e0 Ohms\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1r86sgd\" data-start=\"1137\" data-end=\"1154\"\u003eGap: \u003cstrong data-start=\"1144\" data-end=\"1154\"\u003e0.7 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1156\" data-end=\"1178\"\u003e\u003cstrong data-start=\"1156\" data-end=\"1178\"\u003eShell \/ Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1179\" data-end=\"1325\"\u003e\n\u003cli data-section-id=\"1smw0ea\" data-start=\"1179\" data-end=\"1208\"\u003eThread Size: \u003cstrong data-start=\"1194\" data-end=\"1208\"\u003eM12 - 1.25\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ltc5o9\" data-start=\"1209\" data-end=\"1229\"\u003eReach: \u003cstrong data-start=\"1218\" data-end=\"1229\"\u003e19.0 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hc82a3\" data-start=\"1230\" data-end=\"1251\"\u003eHex Size: \u003cstrong data-start=\"1242\" data-end=\"1251\"\u003e18 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1a929km\" data-start=\"1252\" data-end=\"1273\"\u003eSeat Type: \u003cstrong data-start=\"1265\" data-end=\"1273\"\u003eFlat\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vjd2xb\" data-start=\"1274\" data-end=\"1298\"\u003eWasher Type: \u003cstrong data-start=\"1289\" data-end=\"1298\"\u003eCrush\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j8plr\" data-start=\"1299\" data-end=\"1325\"\u003eWasher Included: \u003cstrong data-start=\"1318\" data-end=\"1325\"\u003eYes\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1327\" data-end=\"1341\"\u003e\u003cstrong data-start=\"1327\" data-end=\"1341\"\u003eElectrodes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1342\" data-end=\"1628\"\u003e\n\u003cli data-section-id=\"35x3qt\" data-start=\"1342\" data-end=\"1386\"\u003eCenter Electrode Core Material: \u003cstrong data-start=\"1376\" data-end=\"1386\"\u003eCopper\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15ymnvi\" data-start=\"1387\" data-end=\"1430\"\u003eCenter Electrode Tip Material: \u003cstrong data-start=\"1420\" data-end=\"1430\"\u003eNickel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gb2o6v\" data-start=\"1431\" data-end=\"1470\"\u003eCenter Electrode Design: \u003cstrong data-start=\"1458\" data-end=\"1470\"\u003eStandard\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rzp01h\" data-start=\"1471\" data-end=\"1519\"\u003eCenter Electrode Projection: \u003cstrong data-start=\"1502\" data-end=\"1519\"\u003eNon-Projected\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lb9kal\" data-start=\"1520\" data-end=\"1559\"\u003eGround Electrode Material: \u003cstrong data-start=\"1549\" data-end=\"1559\"\u003eNickel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nrbcnu\" data-start=\"1560\" data-end=\"1594\"\u003eGround Electrode Quantity: \u003cstrong data-start=\"1589\" data-end=\"1594\"\u003e1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xrf2fq\" data-start=\"1595\" data-end=\"1628\"\u003eGround Configuration: \u003cstrong data-start=\"1619\" data-end=\"1628\"\u003eJ-Gap\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1630\" data-end=\"1639\"\u003e\u003cstrong data-start=\"1630\" data-end=\"1639\"\u003eOther\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1640\" data-end=\"1808\"\u003e\n\u003cli data-section-id=\"1ir3sfq\" data-start=\"1640\" data-end=\"1676\"\u003eElectrical Terminal Type: \u003cstrong data-start=\"1668\" data-end=\"1676\"\u003eStud\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x1xde6\" data-start=\"1677\" data-end=\"1710\"\u003eInsulator Material: \u003cstrong data-start=\"1699\" data-end=\"1710\"\u003eCeramic\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10eygib\" data-start=\"1711\" data-end=\"1742\"\u003eInsulator Height: \u003cstrong data-start=\"1731\" data-end=\"1742\"\u003e50.0 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cl6aka\" data-start=\"1743\" data-end=\"1781\"\u003eGrade Type: \u003cstrong data-start=\"1757\" data-end=\"1781\"\u003eStandard Replacement\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i4427s\" data-start=\"1782\" data-end=\"1808\"\u003eShort Style Plug: \u003cstrong data-start=\"1802\" data-end=\"1808\"\u003eNo\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1810\" data-end=\"1813\"\u003e\n\u003ch3 data-section-id=\"11y8do\" data-start=\"1815\" data-end=\"1837\"\u003eFitment Highlights\u003c\/h3\u003e\n\u003cp data-start=\"1838\" data-end=\"1913\"\u003eCommonly used in older motorcycles and powersports applications, including:\u003c\/p\u003e\n\u003cul data-start=\"1915\" data-end=\"2242\"\u003e\n\u003cli data-section-id=\"10x6yqs\" data-start=\"1915\" data-end=\"1945\"\u003e\n\u003cstrong data-start=\"1917\" data-end=\"1931\"\u003eBMW K100LT\u003c\/strong\u003e (1987–1992)\u003c\/li\u003e\n\u003cli data-section-id=\"ao3hdh\" data-start=\"1946\" data-end=\"1976\"\u003e\n\u003cstrong data-start=\"1948\" data-end=\"1962\"\u003eBMW K100RS\u003c\/strong\u003e (1984–1988)\u003c\/li\u003e\n\u003cli data-section-id=\"t9o0dn\" data-start=\"1977\" data-end=\"2033\"\u003e\n\u003cstrong data-start=\"1979\" data-end=\"2019\"\u003eBMW K75 \/ K75C \/ K75RT \/ K75S \/ K75T\u003c\/strong\u003e (1986–1995)\u003c\/li\u003e\n\u003cli data-section-id=\"zy5gi0\" data-start=\"2034\" data-end=\"2078\"\u003e\n\u003cstrong data-start=\"2036\" data-end=\"2064\"\u003eHonda CB550F Super Sport\u003c\/strong\u003e (1975–1977)\u003c\/li\u003e\n\u003cli data-section-id=\"12z01i8\" data-start=\"2079\" data-end=\"2111\"\u003e\n\u003cstrong data-start=\"2081\" data-end=\"2097\"\u003eHonda CB550K\u003c\/strong\u003e (1974–1978)\u003c\/li\u003e\n\u003cli data-section-id=\"1azvi6y\" data-start=\"2112\" data-end=\"2143\"\u003e\n\u003cstrong data-start=\"2114\" data-end=\"2129\"\u003eHonda TL250\u003c\/strong\u003e (1975–1976)\u003c\/li\u003e\n\u003cli data-section-id=\"1nlx2vt\" data-start=\"2144\" data-end=\"2176\"\u003e\n\u003cstrong data-start=\"2146\" data-end=\"2162\"\u003eYamaha SR185\u003c\/strong\u003e (1981–1982)\u003c\/li\u003e\n\u003cli data-section-id=\"1uhk7ti\" data-start=\"2177\" data-end=\"2209\"\u003e\n\u003cstrong data-start=\"2179\" data-end=\"2195\"\u003eYamaha TT600\u003c\/strong\u003e (1983–1984)\u003c\/li\u003e\n\u003cli data-section-id=\"11h19qy\" data-start=\"2210\" data-end=\"2242\"\u003e\n\u003cstrong data-start=\"2212\" data-end=\"2228\"\u003eYamaha XT550\u003c\/strong\u003e (1982–1983)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2244\" data-end=\"2247\"\u003e\n\u003ch3 data-section-id=\"n0zlr1\" data-start=\"2249\" data-end=\"2270\"\u003ePerformance Notes\u003c\/h3\u003e\n\u003cul data-start=\"2271\" data-end=\"2660\"\u003e\n\u003cli data-section-id=\"1xzezi0\" data-start=\"2271\" data-end=\"2338\"\u003eDesigned for engines that \u003cstrong data-start=\"2299\" data-end=\"2336\"\u003erequire a non-resistor spark plug\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5le485\" data-start=\"2339\" data-end=\"2430\"\u003e\n\u003cstrong data-start=\"2341\" data-end=\"2357\"\u003eHeat range 7\u003c\/strong\u003e provides balanced heat dissipation for moderate to higher-load engines\u003c\/li\u003e\n\u003cli data-section-id=\"15jqkgz\" data-start=\"2431\" data-end=\"2508\"\u003eThe \u003cstrong data-start=\"2437\" data-end=\"2458\"\u003enon-projected tip\u003c\/strong\u003e matches engines designed for that configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1fipnox\" data-start=\"2509\" data-end=\"2568\"\u003e\n\u003cstrong data-start=\"2511\" data-end=\"2528\"\u003eStud terminal\u003c\/strong\u003e fits many motorcycle ignition systems\u003c\/li\u003e\n\u003cli data-section-id=\"1xrp0fm\" data-start=\"2569\" data-end=\"2660\"\u003eNot interchangeable with resistor plugs unless specified—always follow OEM requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2662\" data-end=\"2665\"\u003e\n\u003ch3 data-section-id=\"wv8cei\" data-start=\"2667\" data-end=\"2678\"\u003eSummary\u003c\/h3\u003e\n\u003cp data-start=\"2679\" data-end=\"2970\"\u003eThe \u003cstrong data-start=\"2683\" data-end=\"2702\"\u003eNGK D7EA (7912)\u003c\/strong\u003e is a \u003cstrong data-start=\"2708\" data-end=\"2742\"\u003enon-resistor nickel spark plug\u003c\/strong\u003e featuring a \u003cstrong data-start=\"2755\" data-end=\"2771\"\u003e12 mm thread\u003c\/strong\u003e, \u003cstrong data-start=\"2773\" data-end=\"2788\"\u003e19 mm reach\u003c\/strong\u003e, and \u003cstrong data-start=\"2794\" data-end=\"2808\"\u003e0.7 mm gap\u003c\/strong\u003e. It is ideal for older motorcycles and powersports equipment that require a \u003cstrong data-start=\"2885\" data-end=\"2906\"\u003enon-resistor plug\u003c\/strong\u003e, delivering reliable ignition and durable OE-style performance.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":46445313818823,"sku":"ELE2210","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-04-23102317_04ebc6b5-70be-484a-bc29-c88c0d41ea1d.png?v=1776970481","url":"https:\/\/mainstreeteshop.com\/products\/ngk-7912-d7ea-nickel-spark-plug","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}