{"product_id":"radium-engineering-fuel-rails-gm-vortec-8100-l18-big-block","title":"Radium Engineering CNC Fuel Rail Set | GM Vortec 8100 L18 8.1L Big Block | 8AN ORB | 20-0862","description":"\u003ch2\u003eRadium Engineering CNC Fuel Rail Set – GM Vortec 8100 L18 8.1L Big Block | 8AN ORB\u003c\/h2\u003e\n\u003cp\u003eUpgrade the fuel delivery system on your GM Vortec 8100 (L18) 8.1L big block build with the Radium Engineering CNC Fuel Rail Set. Engineered specifically for the L18 big block, this fuel rail set replaces the factory fuel rails with a full CNC-machined billet aluminum construction featuring stainless steel mounting brackets and 8AN ORB ports at every connection point — providing the fuel flow capacity and plumbing flexibility needed for high-output L18 builds running upgraded injectors and high-flow fuel systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull CNC Billet Aluminum Construction:\u003c\/strong\u003e CNC-machined from billet aluminum for precision fitment, superior strength, and corrosion resistance — a significant upgrade over the factory plastic or cast fuel rails\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 Total 8AN ORB Ports:\u003c\/strong\u003e 8AN ORB (O-Ring Boss) ports at each end of both fuel rails plus at each injector location — 10 total 8AN ORB ports for maximum plumbing flexibility in return-style and returnless fuel system configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8AN ORB End Ports:\u003c\/strong\u003e 8AN ORB ports at each end of both rails allow feed and return line connection at either end — simplifying fuel line routing in a variety of engine bay configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Mounting Brackets:\u003c\/strong\u003e Stainless steel mounting brackets for corrosion resistance and long-term durability in demanding engine bay environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL18 Big Block Specific:\u003c\/strong\u003e Engineered specifically for the GM Vortec 8100 (L18) 8.1L big block V8 — direct fitment for the L18 injector and mounting configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRadium Engineering Quality:\u003c\/strong\u003e Manufactured by Radium Engineering — a trusted name in precision CNC fuel system components for performance and motorsport applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: Fuel Rail Set (Pair)\u003c\/li\u003e\n\u003cli\u003eConstruction: Full CNC Billet Aluminum\u003c\/li\u003e\n\u003cli\u003eMounting Brackets: Stainless Steel\u003c\/li\u003e\n\u003cli\u003ePort Size: 8AN ORB (O-Ring Boss)\u003c\/li\u003e\n\u003cli\u003eTotal AN Ports: 10 (end ports + injector location ports)\u003c\/li\u003e\n\u003cli\u003eEngine: GM Vortec 8100 L18 8.1L Big Block V8\u003c\/li\u003e\n\u003cli\u003ePart Number: 20-0862\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Verify injector fitment and port configuration compatibility with your specific L18 build before ordering. Fuel line fittings and injectors sold separately. Professional installation by an experienced fuel system specialist is recommended. Ensure all fuel system connections are leak-tested before starting the engine.\u003c\/p\u003e","brand":"Radium Engineering","offers":[{"title":"Default Title","offer_id":51235964223655,"sku":"RAD20-0862","price":491.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/c2ddeb97951b6b80f8aa1b663e16fefcL.jpg?v=1787178840","url":"https:\/\/www.straightsiximports.com\/en-us\/products\/radium-engineering-fuel-rails-gm-vortec-8100-l18-big-block","provider":"Straight Six Imports","version":"1.0","type":"link"}