{"product_id":"ignition-coil-spark-plug-for-chevy-monte-carlo-2006-2007-5-3l-v8-round-style","title":"Ignition Coil \u0026 Spark Plug for Chevy Monte Carlo (2006-2007) 5.3L V8 (Round Style)","description":"\u003ch2\u003eHigh-Energy Ignition Coil \u0026amp; Spark Plug Kit for 2006-2007 Chevrolet Monte Carlo\u003c\/h2\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eReplaces deteriorating factory ignition components with a high-output 32,000V coil and matched plug setup to eliminate misfires, restore fuel efficiency, and ensure consistent spark delivery.\u003c\/strong\u003e\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Stock Monte Carlo LS4 Ignition Shortcomings\u003c\/h3\u003e\n  \u003cp\u003eThe factory GM D514A round-style coils and standard plug wires on the transverse 5.3L LS4 V8 are prone to thermal degradation over time. As the W-body engine bay experiences repeated heat cycling, the OEM coil epoxy breaks down, leading to internal short-circuiting. Furthermore, the stock primary resistance fluctuates as underhood temperatures rise, causing intermittent misfires, rough idle, and degraded throttle response, especially under load.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n  \u003cp\u003eThis comprehensive ignition package integrates eight round-body UF414 coils, pre-gapped spark plugs, and durable 748UU plug wires to resolve these thermal vulnerabilities. The upgraded ignition coils feature advanced epoxy internal construction and superior copper wire internals, delivering a maximum voltage of 32,000V—a 20% increase in spark energy over original equipment. With a highly efficient 61:1 turns ratio and a primary resistance of 0.660 ohms, these direct-replacement 12V units ensure robust discharge energy, complete combustion, and long-term reliability.\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;\"\u003e2006-2007 Chevrolet Monte Carlo\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;\"\u003eLS4 5.3L V8 \/ 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;\"\u003e303 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, D514A, 41962, 748UU\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCadillac Escalade\u003c\/li\u003e\n    \u003cli\u003eChevrolet Avalanche\u003c\/li\u003e\n    \u003cli\u003eChevrolet Silverado\u003c\/li\u003e\n    \u003cli\u003eChevrolet Suburban\u003c\/li\u003e\n    \u003cli\u003eChevrolet Express\u003c\/li\u003e\n    \u003cli\u003eChevrolet Tahoe\u003c\/li\u003e\n    \u003cli\u003eChevrolet Trailblazer\u003c\/li\u003e\n    \u003cli\u003eGMC Savana\u003c\/li\u003e\n    \u003cli\u003eGMC Yukon\u003c\/li\u003e\n    \u003cli\u003eHummer H3\u003c\/li\u003e\n    \u003cli\u003e\u003cem\u003eNote: Only applicable to vehicles requiring round-style coils (UF414\/D514A), not suitable for square coil (UF413\/D510C) applications.\u003c\/em\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eThe Chevrolet Muscle Standard\u003c\/h3\u003e\n  \u003cp\u003eRestoring the ignition system on your LS4-powered Monte Carlo ensures that iconic V8 power delivery remains uninterrupted. Reliable spark translates directly to smooth acceleration, optimal combustion, and maximum factory torque output.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":49710990196984,"sku":"DS-EMEGS77HZ","price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plug-for-chevy-monte-carlo-2006-2007-5-3l-v8-round-style-1.jpg?v=1782796248","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-spark-plug-for-chevy-monte-carlo-2006-2007-5-3l-v8-round-style","provider":"Performance Chip Tuning","version":"1.0","type":"link"}