{"product_id":"autolite-app3923-double-platinum-spark-plugs-4-pack","title":"Autolite APP3923 Double Platinum Spark Plugs – 4 Pack","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eAutolite APP3923 Double Platinum spark plugs arrive in a convenient 4 pack, designed to refresh performance with premium materials. The platinum-to-platinum design helps minimize gap erosion and supports reliable ignition across a variety of driving conditions, while a full copper core enhances overall conduction.\u003c\/p\u003e\n\u003ch3\u003eWhy choose double platinum for your engine\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eQuicker starts and smoother acceleration thanks to a necked-down center electrode that fires with less voltage.\u003c\/li\u003e\n  \u003cli\u003eSuperior durability from platinum-to-platinum firing paired with a yttrium enhanced ground electrode for better heat transfer.\u003c\/li\u003e\n  \u003cli\u003ePrecise gap maintenance provided by a high nickel alloy side electrode, reducing erosion to extend plug life.\u003c\/li\u003e\n  \u003cli\u003eTrusted OE replacement lineage from a brand with decades of spark plug production experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get in this 4 pack\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFour Autolite spark plugs designed for dependable DIS engine performance.\u003c\/li\u003e\n  \u003cli\u003eFull copper core electrode for robust performance in diverse conditions.\u003c\/li\u003e\n  \u003cli\u003eDurability and heat management to support steady combustion across temperatures.\u003c\/li\u003e\n  \u003cli\u003e5 year limited warranty for added confidence in the upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal world use cases\u003c\/h3\u003e\n\u003cp\u003eIn everyday driving, these plugs can contribute to easier cold starts, steady idle, and consistent throttle response. On longer trips or frequent short trips, the improved heat transfer and durable design may help maintain reliable ignition and steady performance.\u003c\/p\u003e\n\u003ch3\u003eInstallation notes and compatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned as an OE replacement option, the APP3923 plugs align with engines that benefit from a double platinum design. With Autolite’s long standing history since 1936, this kit offers a credible upgrade path for drivers seeking dependable ignition components. The included 4 pack helps simplify maintenance intervals with a single purchase. \u003c\/p\u003e\n\u003cp\u003eNote: Individual vehicle results can vary based on engine design, maintenance history, and operating conditions. This kit presents a solid option for drivers seeking durability, heat transfer, and reliable starts without overpromising outcomes.\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: What makes Autolite APP3923 Double Platinum plugs well-suited for DIS engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The platinum-to-platinum design with a copper core supports quicker starts and reliable ignition across varied conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this a good option for high mileage or performance oriented vehicles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Durability and heat transfer are strong with this kit; actual results depend on engine design and maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Autolite Iridium Ultra","offers":[{"title":"Default Title","offer_id":42466099265621,"sku":"B076C8XXW4","price":32.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/autolite-app3923-double-platinum-spark-plug-pack-four-closeup.jpg?v=1778037450","url":"https:\/\/plentytorque.co.uk\/products\/autolite-app3923-double-platinum-spark-plugs-4-pack","provider":"PlentyTorque","version":"1.0","type":"link"}