{"product_id":"hyr-set-of-8-ignition-coils-16-iridium-spark-plugs-for-5-7l-v8-2009-2020-challenger-charger-durango-ram-grand-cherokee-uf504","title":"HYR Set of 8 Ignition Coils + 16 Iridium Spark Plugs for 5.7L V8 — 2009-2020 Challenger, Charger, Durango, Ram, Grand Cherokee UF504","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eUpgrade the ignition system in your 5.7L V8 Dodge, Chrysler, or Jeep with HYR’s comprehensive kit — a ready-to-install bundle that pairs eight ignition coils with sixteen iridium spark plugs. Designed to fit a broad range of 5.7L V8 models, this set supports a complete ignition upgrade for many vehicles from 2009 through 2020, including popular variants like Challenger, Charger, Durango, Ram trucks, and Grand Cherokee.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility at a glance\u003c\/h3\u003e\n\u003cp\u003eThe kit is built to work with multiple 5.7L V8 configurations and replaces common OE numbers to simplify sourcing for maintenance or upgrades. Notable OE references include 56029129AA, 56029129AB, 68060346AA, 56029129AF, 68238603AA, UF504, and C1526. This broad compatibility helps streamline your parts shopping and installation planning.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e8 ignition coils\u003c\/li\u003e\n  \u003cli\u003e16 iridium spark plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngineering and materials\u003c\/h3\u003e\n\u003cp\u003eHYR coils feature copper wire sourced from Germany and a higher coil-turn design, capable of generating 35,000+ volts. This combination is engineered to encourage more complete combustion, which can support potential gains in efficiency, power delivery, and emissions performance.\u003c\/p\u003e\n\n\u003ch3\u003eSpark plug technology\u003c\/h3\u003e\n\u003cp\u003eThe iridium center electrodes provide fast response and wear resistance, contributing to durable performance over time. In some installations, owners notice improvements in cold-start behavior and steadier idle, especially in vehicles that previously showed hesitation or minor misfires.\u003c\/p\u003e\n\n\u003ch3\u003eReal‑world use and expectations\u003c\/h3\u003e\n\u003cp\u003eThis HYR kit is a complete upgrade option for drivers who want to refresh both the ignition coils and plugs in one package. While results can vary by vehicle, driving style, and condition, users may experience smoother operation, potential fuel economy benefits, and a more confident startup routine when paired with proper installation and maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eSupport and quality\u003c\/h3\u003e\n\u003cp\u003eIf you encounter any issue with your purchase, HYR offers responsive support to help address problems and find solutions, aiming to keep your vehicle on the road with minimal downtime.\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: Which vehicles is the HYR ignition kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits many 5.7L V8 models from 2009–2020, including Challenger, Charger, Durango, Ram 1500\/2500\/3500, and Grand Cherokee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the expected benefits of this HYR kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Potential for smoother operation and improved combustion with high-voltage coils and wear-resistant iridium plugs; results vary by vehicle and driving conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HYR","offers":[{"title":"Default Title","offer_id":42395754692693,"sku":"B0F935VJZF","price":206.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/hyr-set-of-8-ignition-coils.jpg?v=1775949183","url":"https:\/\/plentytorque.co.uk\/products\/hyr-set-of-8-ignition-coils-16-iridium-spark-plugs-for-5-7l-v8-2009-2020-challenger-charger-durango-ram-grand-cherokee-uf504","provider":"PlentyTorque","version":"1.0","type":"link"}