{"product_id":"outopakkle-ac-compressor-adapter-for-ls-gm-r4-cnc-6061-t6-billet-8-10-straight","title":"Outopakkle AC Compressor Adapter for LS GM R4 — CNC 6061-T6 Billet, #8\/#10 Straight","description":"\u003cp\u003e\u003cstrong\u003eOutopakkle's AC Compressor Adapter for LS GM R4 is a CNC-machined 6061-T6 billet aluminum straight adapter that converts the GM R4 compressor port to dual male #8 (3\/4-16) and #10 (7\/8-14) A\/C line fittings with bolt-on clearance for a no-mod install.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis precision adapter block is made from durable 6061-T6 billet aluminum and surfaced by CNC machining to deliver accurate thread fits and a clean finish. It was engineered to mate directly with GM R4-type A\/C compressors commonly used on LS engines, simplifying plumbing when converting to aftermarket lines or re-routing factory hoses. The design prioritizes fitment and serviceability while keeping the installation straightforward for experienced DIYers and professional installers.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this adapter fit GM R4 compressors?\u003c\/h3\u003e\n\u003cp\u003eThe Outopakkle adapter is milled to match the GM R4 compressor port geometry and provides the correct clearance to install without altering your compressor. Threads, port spacing, and sealing faces are CNC-machined to the dimensions required for a direct bolt-on application on compatible R4 housings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecise 6061-T6 billet construction for stable sealing surfaces\u003c\/li\u003e\n  \u003cli\u003eThreaded outputs: #8 (3\/4-16) and #10 (7\/8-14) male fittings\u003c\/li\u003e\n  \u003cli\u003eEngineered port spacing to avoid interference with compressor components\u003c\/li\u003e\n  \u003cli\u003eCNC finish reduces need for additional fitment work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and finish are used, and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThe adapter is machined from 6061-T6 billet aluminum, chosen for its strength-to-weight ratio, corrosion resistance, and machinability. The CNC-machined surface produces accurate thread forms and flat sealing faces, which help ensure leak-free connections when installed with proper seals and torque.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6061-T6 alloy resists corrosion in an automotive environment\u003c\/li\u003e\n  \u003cli\u003eCNC machining provides consistent thread and port tolerances\u003c\/li\u003e\n  \u003cli\u003eLightweight compared with cast alternatives for reduced stress on fittings\u003c\/li\u003e\n  \u003cli\u003eSmooth finish helps compress and seat O-rings or gaskets reliably\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich lines and fittings does this adapter convert to?\u003c\/h3\u003e\n\u003cp\u003eThis adapter routes the GM R4 compressor outlets to two male A\/C line fittings: #8 (3\/4-16) and #10 (7\/8-14). That lets you attach common aftermarket or replacement A\/C hoses and hard lines that use those standard sizes without further adapters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOutputs: one #8 (3\/4-16) male fitting\u003c\/li\u003e\n  \u003cli\u003eOutputs: one #10 (7\/8-14) male fitting\u003c\/li\u003e\n  \u003cli\u003eStraight adapter block simplifies hose routing in tight engine bays\u003c\/li\u003e\n  \u003cli\u003eDesigned for use with compatible O-rings or sealing hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes the product include support or warranty service?\u003c\/h3\u003e\n\u003cp\u003eOutopakkle provides warranty service for this adapter; customer support is available if you encounter fitment or product issues. Keep purchase information and photos of the installed part handy when contacting support to speed troubleshooting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer warranty coverage included\u003c\/li\u003e\n  \u003cli\u003eSupport available for fitment guidance and claims\u003c\/li\u003e\n  \u003cli\u003eRecommend documenting serial\/part and installation photos\u003c\/li\u003e\n  \u003cli\u003eTypical assistance covers material or machining defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This CNC billet adapter is intended for automotive technicians, hot-rodders, and LS-swap builders who need a reliable, high-quality way to convert a GM R4 compressor port to common aftermarket A\/C line sizes. It's best suited to users comfortable with A\/C system plumbing and standard torque\/sealing practices; if you plan to service refrigerant-containing systems, pair this part with a certified A\/C technician for safe evacuation and charging.\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: Will this adapter bolt directly onto my GM R4 compressor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It's CNC-machined to match GM R4 port spacing and clearance for a direct bolt-on installation without modifying the compressor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What line sizes does the adapter convert to?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It converts the compressor outlet to two male fittings: #8 (3\/4-16) and #10 (7\/8-14) for standard aftermarket A\/C lines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Outopakkle","offers":[{"title":"Default Title","offer_id":55167306301783,"sku":"B0DFM9W8SP","price":40.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/outopakkle-adapter-front-view.jpg?v=1790382436","url":"https:\/\/britishgarage.co.uk\/products\/outopakkle-ac-compressor-adapter-for-ls-gm-r4-cnc-6061-t6-billet-8-10-straight","provider":"British Garage","version":"1.0","type":"link"}