{"product_id":"acdelco-r44lts6-professional-spark-plugs-8-pack-copper-core-black-onyx-corrosion-resistant","title":"ACDelco R44LTS6 Professional Spark Plugs 8-Pack — Copper Core, Black Onyx Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eACDelco R44LTS6 19300384 Professional Spark Plugs are an 8-pack of copper-core, nickel-chrome sheathed plugs with a black onyx coating designed to resist corrosion and provide consistent heat transfer for reliable ignition.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese ACDelco professional spark plugs are engineered for routine maintenance and performance restoration across compatible gasoline engines. Built with a copper core for efficient thermal management, nickel-chrome sheathing for electrode protection, and a black onyx external finish to reduce surface corrosion, this 8-pack addresses common wear points while remaining suitable for select marine applications. They are sold as a full set, ready for multi-cylinder engines that specify the R44LTS6 \/ 19300384 part number.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spark plugs improve ignition consistency?\u003c\/h3\u003e\n\u003cp\u003eImproved ignition comes from the copper core, which conducts heat away from the firing point more effectively than some other materials. By maintaining optimal electrode temperature, the plugs reduce fouling and help preserve a stable spark over longer service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCopper core for faster, more consistent heat transfer\u003c\/li\u003e\n  \u003cli\u003eNickel-chrome sheathing protects the center electrode\u003c\/li\u003e\n  \u003cli\u003eStandard gap tolerances matched to OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these ACDelco plugs corrosion-resistant for humid or marine use?\u003c\/h3\u003e\n\u003cp\u003eYes—these plugs include a black onyx coating on the external metal shell to help resist rust and corrosion in damp environments. The construction and plating also make them suitable for many marine engine applications where exposure to moisture is a concern.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlack onyx coating reduces external corrosion\u003c\/li\u003e\n  \u003cli\u003eSuitable for select marine engine use per manufacturer guidelines\u003c\/li\u003e\n  \u003cli\u003eNickel-chrome sheathing limits center electrode degradation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect these spark plugs to last under normal driving?\u003c\/h3\u003e\n\u003cp\u003eService life depends on engine type, driving conditions, and maintenance habits, but copper-core plugs like these are typically used as reliable replacement parts during regular tune-ups. They offer durable performance when installed and gapped correctly and when the engine is otherwise well-maintained.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for routine replacement intervals recommended by OEM\u003c\/li\u003e\n  \u003cli\u003eDurability improved by corrosion-resistant coatings\u003c\/li\u003e\n  \u003cli\u003ePerformance retention tied to proper gap and engine condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat do I need to know before buying this 8-pack?\u003c\/h3\u003e\n\u003cp\u003eConfirm that R44LTS6 or 19300384 is the correct part number for your vehicle or engine application. Check the recommended gap and torque specs for your engine, and ensure you have the tools to install eight plugs if replacing a complete bank or engine set.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify compatibility with your vehicle or marine engine\u003c\/li\u003e\n  \u003cli\u003eCheck gap and torque specs before installation\u003c\/li\u003e\n  \u003cli\u003eEight plugs included—suitable for multi-cylinder engines requiring a full set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ACDelco R44LTS6 19300384 8-pack is intended for vehicle owners, mechanics, and boat operators who need a dependable set of replacement spark plugs that prioritize corrosion resistance and solid thermal performance. Choose these plugs if your engine specifies this part number and you want a full set made to ACDelco professional standards for routine maintenance or restoration projects.\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: Are these ACDelco spark plugs compatible with marine engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are available for use in many marine applications, but confirm compatibility with your engine model and manufacturer guidelines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these plugs come pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Some units are pre-gapped to common OEM specs, but you should verify and adjust the gap to your engine's required specification before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":55167306793303,"sku":"B012BWH3OA","price":41.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/acdelco-r44lts6-front-packaging.jpg?v=1790382475","url":"https:\/\/britishgarage.co.uk\/products\/acdelco-r44lts6-professional-spark-plugs-8-pack-copper-core-black-onyx-corrosion-resistant","provider":"British Garage","version":"1.0","type":"link"}