{"product_id":"nakkaa-uf271-ignition-coil-kit-8-pack-double-iridium-spark-plugs-high-performance-wires-for-1999-2007-gm-v8","title":"Nakkaa UF271 Ignition Coil Kit 8-Pack — Double-Iridium Spark Plugs \u0026 High-Performance Wires for 1999–2007 GM V8","description":"\u003cstrong\u003eNakkaa 8 Pack UF271 Ignition Coils with double-iridium spark plugs and high-performance wires is a complete ignition replacement kit built to fit many 1999–2007 GM trucks and SUVs.\u003c\/strong\u003e\n\n\u003cp\u003eThis all-in-one ignition set includes eight UF271-style ignition coils, eight double-iridium spark plugs, and a full set of high-quality ignition wires designed as direct-fit replacements for common GM V8 applications. The components are engineered to restore reliable spark delivery, improved throttle response, and consistent starting for older vehicles that need full ignition-system service. Below you’ll find answers to the most common buyer questions, plus specific application and part-number cross-reference details so you can confirm fit before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eWill these ignition parts fit my truck or SUV?\u003c\/h3\u003e\n\u003cp\u003eThese Nakkaa components are made to replace original-equipment parts used in many General Motors vehicles from roughly 1999 through 2007. Use the cross-reference numbers and vehicle list to verify compatibility with your model and year.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible vehicle families: Savana, Sierra, Yukon XL, Suburban, Tahoe, Avalanche, Express, Silverado, Trailblazer, H2, SSR, Mercruiser (selected years).\u003c\/li\u003e\n  \u003cli\u003eCoverage years include 1999–2007 across various V8 platforms; check engine and ignition coil style against your existing parts.\u003c\/li\u003e\n  \u003cli\u003eCross-reference part numbers provided for coils, plugs, and wires to aid fit confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich factory part numbers does this Nakkaa kit replace?\u003c\/h3\u003e\n\u003cp\u003eThe kit lists multiple OE and aftermarket references so you can match it to the parts your vehicle currently uses. Cross-references help ensure you get the correct replacements without guessing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIgnition coils: compatible with part numbers such as 12556893, 12558693, 12570553, 3859078, 392889925, D581, UF-271, 38590782.\u003c\/li\u003e\n  \u003cli\u003eSpark plugs: cross-replaces plug numbers like 41-962 and 19299585; plugs use double-iridium electrodes for longer service life.\u003c\/li\u003e\n  \u003cli\u003eWires: matches wire references M8-48322R, 9059, 9748HH\/UU\/RR series, and 88862385 for direct-fit routing and connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance or durability benefits can I expect from double-iridium plugs and the included coils\/wires?\u003c\/h3\u003e\n\u003cp\u003eDouble-iridium spark plugs use fine, wear-resistant electrodes to maintain consistent spark over longer intervals compared with standard plugs. Paired with matched coils and wires, the set helps reduce misfires and uneven idle when installed correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-iridium plugs resist erosion and can extend service intervals compared to conventional plugs.\u003c\/li\u003e\n  \u003cli\u003eUF271-style coils restore correct ignition voltage delivery for each cylinder in V8 setups.\u003c\/li\u003e\n  \u003cli\u003eHigh-quality wires maintain signal integrity and proper resistance for reliable spark timing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I check during swap?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine work—disconnecting the battery, removing old coils\/plugs\/wires, and fitting the replacements in the original locations. Take care to torque plugs to manufacturer specs and route wires to avoid heat sources or moving parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended tools: ratchet, torque wrench, spark-plug socket, dielectric grease, and basic hand tools.\u003c\/li\u003e\n  \u003cli\u003eInspect coil connectors and wire boots for secure fit and no corrosion before final assembly.\u003c\/li\u003e\n  \u003cli\u003eRecheck spark plug gaps and torque to spec to avoid misfires or thread damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This Nakkaa ignition kit is aimed at owners and mechanics servicing late‑1990s to mid‑2000s GM V8 vehicles who want a full ignition-system refresh with matched components. It’s ideal for vehicles showing age-related ignition symptoms—hard starting, rough idle, or intermittent misfires—or for anyone performing scheduled maintenance who prefers replacing coils, plugs, and wires together for consistent performance and simplified future troubleshooting.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these coils and plugs fit my 2003 Silverado 1500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this Nakkaa kit lists compatibility with Silverado 1999–2007 models; verify coil style and plug thread dimensions for confirmation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the spark plugs pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Plugs typically arrive with a factory gap; check and set to your vehicle’s specification before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nakkaa","offers":[{"title":"Default Title","offer_id":48080166158494,"sku":"B0D2SYNSB3","price":133.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/nakkaa-front-packaging-kit.jpg?v=1785779472","url":"https:\/\/northtrailauto.ca\/products\/nakkaa-uf271-ignition-coil-kit-8-pack-double-iridium-spark-plugs-high-performance-wires-for-1999-2007-gm-v8","provider":"North Trail Auto","version":"1.0","type":"link"}