{"product_id":"high-performance-ignition-coil-for-buick-allure-2008-2009-5-3l","title":"High Performance Ignition Coil for Buick Allure (2008-2009) 5.3L","description":"\u003ch2\u003eHigh-Performance Ignition Coil Set for 2008-2009 Buick Allure (LS4 \/ W-Body)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This eight-pack of upgraded UF414 ignition coils provides a higher voltage output to replace degrading factory coils, ensuring a complete combustion event and eliminating misfires under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock LS4 Ignition Weakness\u003c\/h3\u003e\n\u003cp\u003eThe factory GM ignition coils on the transverse-mounted 5.3L LS4 are notorious for thermal degradation over time. Positioned directly above the exhaust manifolds in the tightly packaged W-body engine bay, the OEM coils endure continuous and extreme heat soak. This harsh thermal cycling breaks down the internal epoxy potting and degrades the primary winding insulation, leading to a steady increase in electrical resistance. As a result, the stock coils fail to generate sufficient spark energy under heavy engine load. Symptoms often manifest as a noticeable hesitation during acceleration, a rough and stumbling idle, worsening fuel economy, and eventual P0300-series random misfire trouble codes. For the 300-horsepower LS4, a weak spark severely limits the engine's ability to maximize cylinder pressure and maintain efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eUpgrading to this UF414 high-performance ignition coil set directly resolves the thermal and electrical limitations of the factory components. Engineered with specialized high-temperature epoxy potting and upgraded heavy-duty copper wire windings, these coils are built to withstand the punishing under-hood temperatures of the front-wheel-drive V8 configuration. The modified primary and secondary winding ratios step up the electrical output, delivering a significantly hotter, longer-duration spark compared to OEM specifications. This intensified spark energy ensures complete fuel atomization and combustion, resulting in a smoother idle, sharper throttle response, and fully restored factory power levels. The direct plug-and-play design requires no splicing, allowing for seamless integration with the factory GM ignition 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;\"\u003e2008-2009 Buick Allure\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 LS4 V8 \/ GM W-Body\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 \/ 323 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\u003e2008 Buick Allure 5.3L V8 (Super)\u003c\/li\u003e\n  \u003cli\u003e2009 Buick Allure 5.3L V8 (Super)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Power Standard\u003c\/h3\u003e\n\u003cp\u003eFor a high-displacement domestic V8 application, a robust ignition system is critical for maintaining consistent power delivery and smooth operation. Equipping your 5.3L LS4 with these upgraded coils ensures reliable startup, eliminates load-based hesitation, and restores the full potential of your W-Body's powertrain.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48234171302136,"sku":"DS-EBLYEBSC5","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-buick-allure-2008-2009-5-3l-1.jpg?v=1776099032","url":"https:\/\/performancechiptuning.com\/products\/high-performance-ignition-coil-for-buick-allure-2008-2009-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}