{"product_id":"ngk-2635-gr4-v-power-spark-plug-1-0mm-gap","title":"NGK 2635 GR4 V-Power Spark Plug (1.0mm Gap)","description":"\u003ch3 data-section-id=\"hxsibk\" data-start=\"183\" data-end=\"200\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"201\" data-end=\"519\"\u003eThe NGK 2635 GR4 V-Power Spark Plug is built to deliver dependable ignition performance, long service life, and improved combustion efficiency. Its V-cut center electrode directs the spark toward the edge of the electrode, helping the flame kernel develop more quickly for increased ignitability and reduced quenching.\u003c\/p\u003e\n\u003cp data-start=\"521\" data-end=\"933\"\u003eDesigned with a copper core for efficient heat removal and a projected nickel center electrode, this spark plug supports consistent performance across a broad range of older domestic, import, and classic vehicle applications. Trivalent metal plating helps resist corrosion and seizing, while corrugated ribs reduce the risk of flashover. Triple seals help prevent leakage for reliable combustion chamber sealing.\u003c\/p\u003e\n\u003cp data-start=\"935\" data-end=\"1038\"\u003eThis spark plug is a solid OE-style replacement for maintenance, restoration, and routine tune-up work.\u003c\/p\u003e\n\u003chr data-start=\"1040\" data-end=\"1043\"\u003e\n\u003ch3 data-section-id=\"q4c1cr\" data-start=\"1045\" data-end=\"1058\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul data-start=\"1059\" data-end=\"1483\"\u003e\n\u003cli data-section-id=\"ca382b\" data-start=\"1059\" data-end=\"1140\"\u003eV-cut center electrode for faster spark development and improved ignitability\u003c\/li\u003e\n\u003cli data-section-id=\"1khhm5h\" data-start=\"1141\" data-end=\"1205\"\u003eCopper core aids heat dissipation for consistent performance\u003c\/li\u003e\n\u003cli data-section-id=\"1tmy0tw\" data-start=\"1206\" data-end=\"1263\"\u003eTrivalent metal plating resists corrosion and seizing\u003c\/li\u003e\n\u003cli data-section-id=\"14qj5ex\" data-start=\"1264\" data-end=\"1306\"\u003eCorrugated ribs help prevent flashover\u003c\/li\u003e\n\u003cli data-section-id=\"avjume\" data-start=\"1307\" data-end=\"1386\"\u003ePure alumina silicate ceramic insulator improves strength and heat transfer\u003c\/li\u003e\n\u003cli data-section-id=\"rvd2a1\" data-start=\"1387\" data-end=\"1424\"\u003eTriple seals help prevent leakage\u003c\/li\u003e\n\u003cli data-section-id=\"1lgkv4o\" data-start=\"1425\" data-end=\"1457\"\u003ePre-gapped at 0.039\" (1.0mm)\u003c\/li\u003e\n\u003cli data-section-id=\"1wkttb7\" data-start=\"1458\" data-end=\"1483\"\u003eSolid terminal design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1485\" data-end=\"1488\"\u003e\n\u003ch3 data-section-id=\"1ke4z4i\" data-start=\"1490\" data-end=\"1509\"\u003eSpecifications:\u003c\/h3\u003e\n\u003cp data-start=\"1511\" data-end=\"1520\"\u003e\u003cstrong data-start=\"1511\" data-end=\"1520\"\u003eShell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1521\" data-end=\"1717\"\u003e\n\u003cli data-section-id=\"kib5su\" data-start=\"1521\" data-end=\"1546\"\u003eThread Diameter: 14mm\u003c\/li\u003e\n\u003cli data-section-id=\"z45n2a\" data-start=\"1547\" data-end=\"1571\"\u003eThread Pitch: 1.25mm\u003c\/li\u003e\n\u003cli data-section-id=\"xcrequ\" data-start=\"1572\" data-end=\"1593\"\u003eSeat Type: Gasket\u003c\/li\u003e\n\u003cli data-section-id=\"ktr0wc\" data-start=\"1594\" data-end=\"1616\"\u003eReach: 19mm (3\/4\")\u003c\/li\u003e\n\u003cli data-section-id=\"cfui20\" data-start=\"1617\" data-end=\"1644\"\u003eHex Size: 13\/16\" (21mm)\u003c\/li\u003e\n\u003cli data-section-id=\"1anguoj\" data-start=\"1645\" data-end=\"1669\"\u003eTerminal Type: Solid\u003c\/li\u003e\n\u003cli data-section-id=\"13f17vb\" data-start=\"1670\" data-end=\"1693\"\u003eOverall Height: ISO\u003c\/li\u003e\n\u003cli data-section-id=\"1qm8fjg\" data-start=\"1694\" data-end=\"1717\"\u003eGap: 0.039\" (1.0mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1719\" data-end=\"1739\"\u003e\u003cstrong data-start=\"1719\" data-end=\"1739\"\u003eCenter Electrode\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1740\" data-end=\"1818\"\u003e\n\u003cli data-section-id=\"1b75xj3\" data-start=\"1740\" data-end=\"1760\"\u003eMaterial: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"qjp92r\" data-start=\"1761\" data-end=\"1776\"\u003eType: V-Cut\u003c\/li\u003e\n\u003cli data-section-id=\"1yadrha\" data-start=\"1777\" data-end=\"1792\"\u003eSize: 2.5mm\u003c\/li\u003e\n\u003cli data-section-id=\"1rv1huj\" data-start=\"1793\" data-end=\"1818\"\u003eProjection: Projected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1820\" data-end=\"1840\"\u003e\u003cstrong data-start=\"1820\" data-end=\"1840\"\u003eGround Electrode\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1841\" data-end=\"1896\"\u003e\n\u003cli data-section-id=\"1b75xj3\" data-start=\"1841\" data-end=\"1861\"\u003eMaterial: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"dzmbch\" data-start=\"1862\" data-end=\"1880\"\u003eType: Standard\u003c\/li\u003e\n\u003cli data-section-id=\"fgxjmg\" data-start=\"1881\" data-end=\"1896\"\u003eQuantity: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1898\" data-end=\"1927\"\u003e\u003cstrong data-start=\"1898\" data-end=\"1927\"\u003eAdditional Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1928\" data-end=\"1990\"\u003e\n\u003cli data-section-id=\"1k8b2y2\" data-start=\"1928\" data-end=\"1945\"\u003eResistor: Yes\u003c\/li\u003e\n\u003cli data-section-id=\"vjpuca\" data-start=\"1946\" data-end=\"1972\"\u003eResistor Value: 5k Ohm\u003c\/li\u003e\n\u003cli data-section-id=\"rrh2o1\" data-start=\"1973\" data-end=\"1990\"\u003eHeat Range: 4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1992\" data-end=\"2008\"\u003e\u003cstrong data-start=\"1992\" data-end=\"2008\"\u003eTorque Specs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2009\" data-end=\"2065\"\u003e\n\u003cli data-section-id=\"5hn270\" data-start=\"2009\" data-end=\"2037\"\u003eCast Iron: 18–25.3 lb-ft\u003c\/li\u003e\n\u003cli data-section-id=\"15hu2bs\" data-start=\"2038\" data-end=\"2065\"\u003eAluminum: 18–21.6 lb-ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2067\" data-end=\"2087\"\u003e\u003cstrong data-start=\"2067\" data-end=\"2087\"\u003ePart Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2088\" data-end=\"2158\"\u003e\n\u003cli data-section-id=\"1n0r5lh\" data-start=\"2088\" data-end=\"2108\"\u003eBrand: NGK \/ NTK\u003c\/li\u003e\n\u003cli data-section-id=\"r4cfj\" data-start=\"2109\" data-end=\"2130\"\u003eWarranty: 60 Days\u003c\/li\u003e\n\u003cli data-section-id=\"1do0p4e\" data-start=\"2131\" data-end=\"2158\"\u003eLongevity: 30,000 Miles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2160\" data-end=\"2163\"\u003e\n\u003ch3 data-section-id=\"15hzzm7\" data-start=\"2165\" data-end=\"2178\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"2179\" data-end=\"2249\"\u003e\u003cstrong data-start=\"2179\" data-end=\"2247\"\u003eFits a wide range of applications, including select models from:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2250\" data-end=\"2456\"\u003e\n\u003cli data-section-id=\"1kwjxbi\" data-start=\"2250\" data-end=\"2269\"\u003eAmerican Motors\u003c\/li\u003e\n\u003cli data-section-id=\"fya3fp\" data-start=\"2270\" data-end=\"2281\"\u003eBentley\u003c\/li\u003e\n\u003cli data-section-id=\"17wgjjy\" data-start=\"2282\" data-end=\"2291\"\u003eBuick\u003c\/li\u003e\n\u003cli data-section-id=\"1jmzqyt\" data-start=\"2292\" data-end=\"2304\"\u003eCadillac\u003c\/li\u003e\n\u003cli data-section-id=\"1t15uyh\" data-start=\"2305\" data-end=\"2316\"\u003eChecker\u003c\/li\u003e\n\u003cli data-section-id=\"29gdtc\" data-start=\"2317\" data-end=\"2330\"\u003eChevrolet\u003c\/li\u003e\n\u003cli data-section-id=\"jj8mu8\" data-start=\"2331\" data-end=\"2343\"\u003eChrysler\u003c\/li\u003e\n\u003cli data-section-id=\"1h0inhh\" data-start=\"2344\" data-end=\"2353\"\u003eDodge\u003c\/li\u003e\n\u003cli data-section-id=\"16z7ji9\" data-start=\"2354\" data-end=\"2361\"\u003eGMC\u003c\/li\u003e\n\u003cli data-section-id=\"1y6rxea\" data-start=\"2362\" data-end=\"2379\"\u003eInternational\u003c\/li\u003e\n\u003cli data-section-id=\"1qkf9ma\" data-start=\"2380\" data-end=\"2388\"\u003eJeep\u003c\/li\u003e\n\u003cli data-section-id=\"kj4bxr\" data-start=\"2389\" data-end=\"2400\"\u003eMercury\u003c\/li\u003e\n\u003cli data-section-id=\"1ipj87w\" data-start=\"2401\" data-end=\"2415\"\u003eOldsmobile\u003c\/li\u003e\n\u003cli data-section-id=\"141ht3a\" data-start=\"2416\" data-end=\"2428\"\u003ePlymouth\u003c\/li\u003e\n\u003cli data-section-id=\"6b41ra\" data-start=\"2429\" data-end=\"2440\"\u003ePontiac\u003c\/li\u003e\n\u003cli data-section-id=\"zobrnt\" data-start=\"2441\" data-end=\"2456\"\u003eRolls-Royce\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2458\" data-end=\"2666\"\u003e\u003cstrong data-start=\"2458\" data-end=\"2587\"\u003eCommon applications include select classic and vintage cars, trucks, vans, wagons, and SUVs from the 1950s through the 1990s.\u003c\/strong\u003e\u003cbr data-start=\"2587\" data-end=\"2590\"\u003e\u003cem data-start=\"2590\" data-end=\"2666\"\u003eVerify vehicle year, make, model, engine, and application before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":46439814660295,"sku":"ELE2146","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-04-23103722.png?v=1776965880","url":"https:\/\/mainstreeteshop.com\/products\/ngk-2635-gr4-v-power-spark-plug-1-0mm-gap","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}