{"product_id":"high-performance-ignition-coil-for-gmc-canyon-2009-2012-5-3l","title":"High Performance Ignition Coil for GMC Canyon (2009-2012) 5.3L","description":"\u003ch2\u003eHigh-Output UF414 Ignition Coils for 2009-2012 GMC Canyon (LH8\/LH9 \/ GMT355)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This complete set of eight high-performance UF414 ignition coils replaces degrading factory units to restore spark intensity, eliminate high-RPM misfires, and improve throttle response on 5.3L V8 GMT355 trucks.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Canyon Ignition Weakness\u003c\/h3\u003e\n\u003cp\u003eOEM factory ignition coils on the 5.3L Gen IV LS engines are notorious for age-related thermal degradation. Constant exposure to the extreme heat cycles generated by the compact GMT355 engine bay causes the internal dielectric epoxy to break down over time. This leads to micro-cracking in the external housing and primary winding failure. As a result, the spark voltage drops significantly, leading to intermittent misfires under heavy load, sluggish low-end torque, and reduced fuel efficiency. The factory coil packs simply cannot sustain peak voltage output when pushed during towing, off-roading, or extended operation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis UF414 replacement upgrade pack engineers out the factory flaws by utilizing heavy-duty primary and secondary copper wire windings that strictly exceed OEM specifications. By increasing the winding density and utilizing high-grade insulating epoxy, these coils deliver superior thermal dissipation and prevent internal voltage leaks. The reinforced housing materials are highly resistant to heat soak and engine bay vibrations. This results in a much hotter, more consistent spark across the entire RPM range. The enhanced spark duration allows for a more complete combustion cycle, translating to smoother idling, sharper throttle response, and the capability to support increased loads without spark blowout. Installation is a direct plug-and-play process utilizing the factory wiring harness.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2009-2012 GMC Canyon\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5.3L LH8\/LH9 V8 \/ GMT355\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e300 hp \/ 320 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF414\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2009 GMC Canyon 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2010 GMC Canyon 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2011 GMC Canyon 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2012 GMC Canyon 5.3L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe GMC Durability Standard\u003c\/h3\u003e\n\u003cp\u003eFor trucks built to haul and work, maintaining reliable ignition under heavy load is non-negotiable. These upgraded coils ensure your Canyon delivers consistent towing capability and unwavering off-road reliability without the risk of mid-trip misfires.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48234161406200,"sku":"DS-EC0INH9QU","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-performance-ignition-coil-for-gmc-canyon-2009-2012-5-3l-1.jpg?v=1776098641","url":"https:\/\/performancechiptuning.com\/products\/high-performance-ignition-coil-for-gmc-canyon-2009-2012-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}