{"product_id":"evil-energy-6an-male-to-3-8-inch-and-5-16-inch-hardline-compression-fitting-adapter-aluminum-black","title":"EVIL ENERGY 6AN Male to 3\/8-inch and 5\/16-inch Hardline Compression Fitting Adapter – Aluminum Black","description":"\u003cdiv class=\"product-seo\"\u003e\n  \u003ch2\u003eEVIL ENERGY 6AN to 3\/8\\\" and 5\/16\\\" Hardline Compression Adaptor\u003c\/h2\u003e\n  \u003cp\u003eIn busy engine bays, reliable connections matter. The EVIL ENERGY 6AN Male to 3\/8\\\"-inch and 5\/16\\\"-inch Hardline Compression Fitting Adapter is designed to connect hardlines cleanly without compromising flow or clarity. Constructed from a robust aluminum alloy with a brass ferrule, this adapter pairs a 6AN male flare with both a 3\/8\\\"-inch and a 5\/16\\\"-inch hardline. The result is a compact, lightweight connector that supports everyday driving and more demanding builds alike.\u003c\/p\u003e\n  \u003cp\u003eKey to its performance is the sealing geometry: the 37-degree seating on the AN flare forms a tight, repeatable seal when mated to compatible hardlines. The 9\/16-18 UNF thread matches standard 6AN fittings, enabling straightforward integration with a wide range of components in your fuel system.\u003c\/p\u003e\n  \u003ch3\u003eKey features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVersatile size: 6AN male flare to 3\/8\\\" and 5\/16\\\" hardlines for flexible routing.\u003c\/li\u003e\n    \u003cli\u003eDurable build: aluminum body with a brass ferrule balances light weight and sealing performance.\u003c\/li\u003e\n    \u003cli\u003e37-degree seal: reliable seating minimizes leaks in variable conditions.\u003c\/li\u003e\n    \u003cli\u003eWide applicability: suitable for fuel delivery lines, fuel system upgrades, and engine modification projects.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eBefore you purchase, note that this adapter is designed for stainless steel or aluminum hardlines. Measure your hardline diameter to confirm compatibility and plan your layout to fit in tight spaces. This adapter is intended to complement a clean fuel line upgrade or engine modification path, offering potential improvements in assembly simplicity and line organization.\u003c\/p\u003e\n  \u003ch3\u003ePractical tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCheck thread engagement to avoid cross-threading when pairing with standard 6AN components.\u003c\/li\u003e\n    \u003cli\u003eEnsure the 37-degree seating matches your hardline for optimal seal integrity.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\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 does this adapter fit with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 6AN flare to 3\/8\" and 5\/16\" hardlines using a 9\/16-18 UNF thread.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where is it best used?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ideal for fuel delivery lines, fuel system upgrades, and selected engine modification projects with compatible hardlines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":42469805195349,"sku":"B0FN3S9ZYJ","price":36.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/evil-energy-6an-male-flare-to-38-hardline.jpg?v=1778107946","url":"https:\/\/plentytorque.co.uk\/products\/evil-energy-6an-male-to-3-8-inch-and-5-16-inch-hardline-compression-fitting-adapter-aluminum-black","provider":"PlentyTorque","version":"1.0","type":"link"}