{"product_id":"chevy-ignition-coil-kit-uf743","title":"EVIL ENERGY GM Gen V Ignition Coil \u0026 8.5mm Spark Plug Wire Kit | UF743 | Chevy GMC 5.3L 6.2L V8","description":"\u003cp\u003e---!@!start!@!---Specifications---!@!end!@!---\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003e\n\u003cdiv align=\"left\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.ievilenergy.com\/products\/evil-energy-ignition-coil-uf743-replacement-for-2014-up-gm-lt-direct-injection-square-engine-high-performance-coil\"\u003eEVIL ENERGY UF743 High-Output Ignition Coil Set for GM Gen V\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eBrand\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eEVIL ENERGY\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eSKU\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eEVBVH0001003\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eProduct Type\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eIgnition Coils\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eOEM Replacement\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eUF743\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eSpark Energy\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e111mJ\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eSpark Duration\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e1.8 mS\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eMaximum Voltage\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e52,000V\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003ePrimary Resistance\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e0.53 ohms\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eSecondary Resistance\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e4.47k ohms\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eTurns Ratio\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e71:1\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eEngine Platform\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eSelected GM Gen V \/ LT direct-injection gasoline V8 applications using the UF743-style ignition coil\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eBundle Quantity\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e8 ignition coils\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.ievilenergy.com\/products\/evil-energy-8-5mm-spark-plug-wire-set-gm-gen-v\"\u003eEVIL ENERGY 8.5mm Spark Plug Wire Set for GM Gen V V8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEVIL ENERGY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eEVBWA0002011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSpark Plug Wire Set \/ Ignition Wire Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Outside Diameter\u003c\/td\u003e\n\u003ctd\u003e8.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Material\u003c\/td\u003e\n\u003ctd\u003eSilicone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-40°C to 220°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance\u003c\/td\u003e\n\u003ctd\u003e293–439 Ohms per foot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpark Plug Boot Angle\u003c\/td\u003e\n\u003ctd\u003eMulti-angle reference style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMI \/ RFI Suppression\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Sleeve Specification\u003c\/td\u003e\n\u003ctd\u003e22 mm inner diameter, 155 mm length, basalt material, 800°C continuous heat resistance, up to 2000°C instant heat reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003e8 x EVIL ENERGY 8.5mm spark plug wires, 8 x basalt heat sleeves, pre-installed coil-end and spark-plug-end boots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBundle Application\u003c\/td\u003e\n\u003ctd\u003eSelected compatible GM gasoline V8 applications only. The 8-wire set is not the correct configuration for 4.3L V6 applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"4\"\u003e\n\u003cdiv align=\"left\"\u003e\u003cstrong\u003eBundle Vehicle Compatibility — V8 Applications from Supplied Fitment Data\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2019-2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Supercharged\u003c\/td\u003e\n\u003ctd\u003e2017-2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Supercharged\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 MILD HYBRID EV-GAS (MHEV) OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eTahoe\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eTahoe\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eTahoe\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 FLEX OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2018-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eTahoe\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2018-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 1500\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 1500\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 1500\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 1500\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 MILD HYBRID EV-GAS (MHEV) OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2016-2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon\u003c\/td\u003e\n\u003ctd\u003e5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 FLEX OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon XL\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 FLEX OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eYukon XL\u003c\/td\u003e\n\u003ctd\u003e6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated\u003c\/td\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e---!@!start!@!---Description---!@!end!@!---\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVBVH0001003-4.13-a2.webp?v=1776069926\" alt=\"EVIL-ENERGY-ignition-coil-unlock-hidden-horsepower-with-15-to-20-percent-higher-spark-energy-ig-coil\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVBVH0001003-4.13-a3.webp?v=1776069938\" alt=\"Chevy-ignition-coil-vs-OE-comparing-EVIL-ENERGY-high-performance-ig-coil-efficiency-with-standard-vehicle-coil\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eGM Gen V UF743 Ignition Coil \u0026amp; 8.5mm Spark Plug Wire Kit\u003c\/h2\u003e\n\u003cp\u003eA reliable gasoline-engine ignition system depends on more than the ignition coil alone. The coil must generate the required high voltage, and the spark plug wire must carry that energy to the spark plug through repeated engine-bay heat cycles and vibration. This EVIL ENERGY \u003cstrong\u003eGM Gen V ignition kit\u003c\/strong\u003e combines \u003cstrong\u003e8 UF743 high-output ignition coils\u003c\/strong\u003e with an \u003cstrong\u003e8.5mm spark plug wire set and 8 basalt heat sleeves\u003c\/strong\u003e to service both sides of the coil-to-plug ignition path on selected compatible Chevrolet and GMC V8 applications.\u003c\/p\u003e\n\u003cp\u003eThe UF743 coil set is listed with \u003cstrong\u003e111mJ spark energy, 1.8 mS spark duration, and up to 52,000V maximum voltage\u003c\/strong\u003e. The matching wire set uses an \u003cstrong\u003e8.5mm silicone-insulated wire body\u003c\/strong\u003e, stainless-steel conductor, multi-angle plug boots, EMI\/RFI suppression, and heat sleeves for additional protection around the spark-plug-end area.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment first:\u003c\/strong\u003e This bundle is configured for compatible \u003cstrong\u003egasoline V8 applications\u003c\/strong\u003e. The UF743 coil may also appear in some V6 fitment data, but the included spark plug wire product contains eight wires and is \u003cstrong\u003enot the correct configuration for a 4.3L V6\u003c\/strong\u003e. Final compatibility should be confirmed from the engine, original coil style, connector, plug terminal, wire reach, and exhaust-side clearance before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/Spark_Plug_Wire_Set-universal-7.16-a2.webp?v=1784196954\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Replace Ignition Coils and Spark Plug Wires Together?\u003c\/h2\u003e\n\u003cp\u003eThe ignition coil and spark plug wire perform different jobs in the same circuit. The \u003cstrong\u003eignition coil generates the high-voltage spark energy\u003c\/strong\u003e, while the \u003cstrong\u003espark plug wire transfers that energy from the coil to the plug\u003c\/strong\u003e. A new coil cannot correct a damaged, loose, heat-stressed, or internally high-resistance wire, and a new wire cannot correct a weak or failing coil.\u003c\/p\u003e\n\u003cp\u003eServicing both components together can be useful when the vehicle has accumulated substantial mileage, when several ignition components show heat aging, or when the goal is to refresh the complete coil-to-plug path across all eight cylinders. It also makes it easier to inspect the related spark plugs, terminals, wire holders, boot clearance, and exhaust-side heat exposure during one service operation.\u003c\/p\u003e\n\u003cp\u003eThis kit should be treated as an \u003cstrong\u003eignition-system service and upgrade package\u003c\/strong\u003e, not as a substitute for proper diagnosis. Misfire, rough-idle, hard-start, or hesitation symptoms can also be caused by worn spark plugs, injector or fuel-delivery faults, vacuum leaks, compression problems, wiring faults, ECU calibration, or other engine conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/BVH0001001-4.13-a4.webp?v=1776061532\" alt=\"EVIL-ENERGY-ignition-coil-Chevy-Silverado-resolving-engine-fault-lights-unwanted-shaking-and-excessive-fuel-consumption\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eUF743 High-Output Ignition Coils — Spark Generation Side\u003c\/h2\u003e\n\u003cp\u003eThe coil component of this bundle is EVIL ENERGY's \u003cstrong\u003eUF743 replacement ignition coil\u003c\/strong\u003e for selected GM LT \/ Gen V direct-injection applications. Its listed electrical specifications include \u003cstrong\u003e111mJ spark energy\u003c\/strong\u003e, \u003cstrong\u003e1.8 mS spark duration\u003c\/strong\u003e, \u003cstrong\u003e52,000V maximum voltage\u003c\/strong\u003e, \u003cstrong\u003e0.53-ohm primary resistance\u003c\/strong\u003e, \u003cstrong\u003e4.47k-ohm secondary resistance\u003c\/strong\u003e, and a \u003cstrong\u003e71:1 turns ratio\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a bundle installation, the most important point is matching the coil to the vehicle's original ignition architecture. Confirm the UF743-style coil body, electrical connector, mounting points, and engine application before removing the original set. The coil specification describes the component's electrical design; it does not by itself guarantee a horsepower increase or correct a non-ignition-related engine fault.\u003c\/p\u003e\n\u003ch2\u003e8.5mm Spark Plug Wires — Spark Transfer Side\u003c\/h2\u003e\n\u003cp\u003eThe included \u003cstrong\u003e8.5mm spark plug wire set\u003c\/strong\u003e connects each coil to its corresponding spark plug. The wire uses a stainless-steel conductor and silicone insulation rated from \u003cstrong\u003e-40°C to 220°C\u003c\/strong\u003e, with listed resistance of \u003cstrong\u003e293-439 Ohms per foot\u003c\/strong\u003e. Multi-angle plug boots provide routing flexibility where plug-end clearance varies around GM engine bays.\u003c\/p\u003e\n\u003cp\u003eThe wire set also includes \u003cstrong\u003e8 basalt spark plug wire heat sleeves\u003c\/strong\u003e. Each sleeve is listed at 22mm inner diameter and 155mm length, with an 800°C continuous heat-resistance reference and up to 2000°C instant-heat reference. The sleeves are intended to reduce radiant heat exposure around the spark-plug-end boot and nearby wire section; they do not make continuous direct contact with an exhaust manifold or header tube safe.\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eUF743 Ignition Coils x 8\u003c\/th\u003e\n\u003ctd\u003eEVIL ENERGY high-output replacement ignition coils for compatible GM Gen V \/ LT applications using the correct UF743-style coil.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e8.5mm Spark Plug Wires x 8\u003c\/th\u003e\n\u003ctd\u003eEVIL ENERGY silicone-insulated ignition wires with pre-installed coil-end and spark-plug-end boots.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBasalt Spark Plug Wire Heat Sleeves x 8\u003c\/th\u003e\n\u003ctd\u003eHeat-protection sleeves for the spark-plug-end area where additional radiant-heat shielding is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Component Packaging \/ Accessories\u003c\/th\u003e\n\u003ctd\u003eIncludes the accessories supplied with the individual products. Spark plugs and other vehicle-specific service parts are not included unless separately stated.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/Spark_Plug_Wire_Set-universal-7.16-a6_57f8e671-4d94-429d-99cd-02aa48241de1.webp?v=1784197010\" alt=\"\"\u003e\u003c\/p\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":46430552359048,"sku":"EVBVH1003BWA2011","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/BVH0001003-BWA0002011-8.18-m1.webp?v=1787207448","url":"https:\/\/www.ievilenergy.com\/products\/chevy-ignition-coil-kit-uf743","provider":"EVILENERGY","version":"1.0","type":"link"}