{"product_id":"ngk-5155-fr4-v-power-spark-plug","title":"NGK 5155 FR4 V-Power 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=\"343\"\u003eThe NGK FR4 V-Power spark plug is designed to deliver \u003cstrong data-start=\"114\" data-end=\"167\"\u003eimproved ignitability and reliable OE performance\u003c\/strong\u003e. Its \u003cstrong data-start=\"173\" data-end=\"199\"\u003eV-cut center electrode\u003c\/strong\u003e helps the spark jump more efficiently, resulting in \u003cstrong data-start=\"252\" data-end=\"308\"\u003equicker starts, smoother idle, and better combustion\u003c\/strong\u003e compared to standard nickel plugs.\u003c\/p\u003e\n\u003chr data-start=\"345\" data-end=\"348\"\u003e\n\u003ch3 data-section-id=\"1sboupi\" data-start=\"350\" data-end=\"368\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"369\" data-end=\"763\"\u003e\n\u003cli data-section-id=\"8umajv\" data-start=\"369\" data-end=\"452\"\u003e\n\u003cstrong data-start=\"371\" data-end=\"390\"\u003eV-Power design:\u003c\/strong\u003e V-groove electrode improves spark exposure and ignitability\u003c\/li\u003e\n\u003cli data-section-id=\"oj3lpl\" data-start=\"453\" data-end=\"514\"\u003e\n\u003cstrong data-start=\"455\" data-end=\"485\"\u003eOE-equivalent construction\u003c\/strong\u003e for dependable performance\u003c\/li\u003e\n\u003cli data-section-id=\"5j19f\" data-start=\"515\" data-end=\"562\"\u003e\n\u003cstrong data-start=\"517\" data-end=\"538\"\u003e1.0 mm pre-gapped\u003c\/strong\u003e for easy installation\u003c\/li\u003e\n\u003cli data-section-id=\"tci3zm\" data-start=\"563\" data-end=\"630\"\u003e\n\u003cstrong data-start=\"565\" data-end=\"580\"\u003eCopper core\u003c\/strong\u003e for excellent heat dissipation and conductivity\u003c\/li\u003e\n\u003cli data-section-id=\"1tpes0o\" data-start=\"631\" data-end=\"695\"\u003e\n\u003cstrong data-start=\"633\" data-end=\"654\"\u003eTrivalent plating\u003c\/strong\u003e resists corrosion and prevents seizing\u003c\/li\u003e\n\u003cli data-section-id=\"ckijq6\" data-start=\"696\" data-end=\"763\"\u003eBest suited for engines originally using \u003cstrong data-start=\"739\" data-end=\"761\"\u003enickel spark plugs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"765\" data-end=\"768\"\u003e\n\u003ch3 data-section-id=\"e5mrjc\" data-start=\"770\" data-end=\"790\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp data-start=\"792\" data-end=\"803\"\u003e\u003cstrong data-start=\"792\" data-end=\"803\"\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"804\" data-end=\"915\"\u003e\n\u003cli data-section-id=\"l0n8zq\" data-start=\"804\" data-end=\"824\"\u003ePart Number: FR4\u003c\/li\u003e\n\u003cli data-section-id=\"sr1ln9\" data-start=\"825\" data-end=\"847\"\u003eStock Number: 5155\u003c\/li\u003e\n\u003cli data-section-id=\"rrh2o1\" data-start=\"848\" data-end=\"865\"\u003eHeat Range: 4\u003c\/li\u003e\n\u003cli data-section-id=\"1043j87\" data-start=\"866\" data-end=\"895\"\u003eResistor: Yes (5000 Ohms)\u003c\/li\u003e\n\u003cli data-section-id=\"c761oh\" data-start=\"896\" data-end=\"915\"\u003ePre-Gap: 1.0 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"917\" data-end=\"926\"\u003e\u003cstrong data-start=\"917\" data-end=\"926\"\u003eShell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"927\" data-end=\"1066\"\u003e\n\u003cli data-section-id=\"1d457ld\" data-start=\"927\" data-end=\"954\"\u003eThread Size: M14 x 1.25\u003c\/li\u003e\n\u003cli data-section-id=\"1rrkopk\" data-start=\"955\" data-end=\"983\"\u003eSeat Type: Flat (gasket)\u003c\/li\u003e\n\u003cli data-section-id=\"ftj7p5\" data-start=\"984\" data-end=\"1002\"\u003eReach: 19.0 mm\u003c\/li\u003e\n\u003cli data-section-id=\"m7gk6c\" data-start=\"1003\" data-end=\"1029\"\u003eHex Size: 5\/8\" (16 mm)\u003c\/li\u003e\n\u003cli data-section-id=\"b10wp6\" data-start=\"1030\" data-end=\"1066\"\u003eTerminal Type: Non-removable nut\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1068\" data-end=\"1082\"\u003e\u003cstrong data-start=\"1068\" data-end=\"1082\"\u003eElectrodes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1083\" data-end=\"1220\"\u003e\n\u003cli data-section-id=\"10c3oi0\" data-start=\"1083\" data-end=\"1135\"\u003eCenter Electrode: Nickel (V-groove, copper core)\u003c\/li\u003e\n\u003cli data-section-id=\"1egn37a\" data-start=\"1136\" data-end=\"1164\"\u003eGround Electrode: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"rsnolv\" data-start=\"1165\" data-end=\"1189\"\u003eConfiguration: J-gap\u003c\/li\u003e\n\u003cli data-section-id=\"12sgm36\" data-start=\"1190\" data-end=\"1220\"\u003eProjection: Mid projection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1222\" data-end=\"1225\"\u003e\n\u003ch3 data-section-id=\"biql0s\" data-start=\"1227\" data-end=\"1251\"\u003eFitment Highlights\u003c\/h3\u003e\n\u003cp data-start=\"1253\" data-end=\"1268\"\u003e\u003cstrong data-start=\"1253\" data-end=\"1268\"\u003eGM Vehicles\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1269\" data-end=\"1577\"\u003e\n\u003cli data-section-id=\"13hnuys\" data-start=\"1269\" data-end=\"1305\"\u003eBuick Skylark (1988–1994) – 2.3L\u003c\/li\u003e\n\u003cli data-section-id=\"1siae5e\" data-start=\"1306\" data-end=\"1346\"\u003eChevrolet Beretta (1990–1991) – 2.3L\u003c\/li\u003e\n\u003cli data-section-id=\"17r0hmu\" data-start=\"1347\" data-end=\"1386\"\u003eChevrolet Camaro (1987–1992) – 5.7L\u003c\/li\u003e\n\u003cli data-section-id=\"2kx7of\" data-start=\"1387\" data-end=\"1428\"\u003eChevrolet Corvette (1986–1991) – 5.7L\u003c\/li\u003e\n\u003cli data-section-id=\"15b0eon\" data-start=\"1429\" data-end=\"1489\"\u003eOldsmobile Achieva \/ Calais \/ Cutlass (1987–1994) – 2.3L\u003c\/li\u003e\n\u003cli data-section-id=\"17kuxi\" data-start=\"1490\" data-end=\"1524\"\u003ePontiac Firebird (1987) – 5.7L\u003c\/li\u003e\n\u003cli data-section-id=\"1edskrd\" data-start=\"1525\" data-end=\"1577\"\u003ePontiac Grand Am \/ Grand Prix (1988–1994) – 2.3L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1579\" data-end=\"1597\"\u003e\u003cstrong data-start=\"1579\" data-end=\"1597\"\u003eFord \/ Mercury\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1598\" data-end=\"1732\"\u003e\n\u003cli data-section-id=\"19ksy38\" data-start=\"1598\" data-end=\"1626\"\u003eFord F-100 (1982) – 3.8L\u003c\/li\u003e\n\u003cli data-section-id=\"18afmx3\" data-start=\"1627\" data-end=\"1661\"\u003eFord Thunderbird (1982) – 3.8L\u003c\/li\u003e\n\u003cli data-section-id=\"6sybjv\" data-start=\"1662\" data-end=\"1694\"\u003eMercury Cougar (1982) – 3.8L\u003c\/li\u003e\n\u003cli data-section-id=\"1egnkd3\" data-start=\"1695\" data-end=\"1732\"\u003eLincoln Continental (1982) – 3.8L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1734\" data-end=\"1737\"\u003e\n\u003ch3 data-section-id=\"309kgt\" data-start=\"1739\" data-end=\"1762\"\u003ePerformance Notes\u003c\/h3\u003e\n\u003cul data-start=\"1763\" data-end=\"2016\"\u003e\n\u003cli data-section-id=\"hpmphj\" data-start=\"1763\" data-end=\"1853\"\u003e\n\u003cstrong data-start=\"1765\" data-end=\"1782\"\u003eHeat range 4:\u003c\/strong\u003e relatively hot plug, suited for older engines and specific OEM specs\u003c\/li\u003e\n\u003cli data-section-id=\"f9xcy6\" data-start=\"1854\" data-end=\"1965\"\u003eProvides \u003cstrong data-start=\"1865\" data-end=\"1915\"\u003ebetter spark exposure vs standard nickel plugs\u003c\/strong\u003e, but not as long-lasting as platinum or iridium\u003c\/li\u003e\n\u003cli data-section-id=\"skwc3l\" data-start=\"1966\" data-end=\"2016\"\u003eTypical service life: \u003cstrong data-start=\"1990\" data-end=\"2014\"\u003e~20,000–30,000 miles\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":46440509112519,"sku":"ELE2177","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-5155-fr4-v-power-spark-plug","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}