{"product_id":"radium-engineering-fcst-adapter-6-bolt-to-3-bolt-filler","title":"Radium Engineering FCST Adapter 6-Bolt to 3-Bolt Filler","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 20-1127\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRadium Engineering FCST Adapter – 6-Bolt to 3-Bolt Filler Neck\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUpdate your older Radium Fuel Cell Surge Tank (FCST) with modern fill necks using the Radium Engineering 6-Bolt to 3-Bolt Filler Neck Adapter. This precision-machined adapter allows you to install newer 3-bolt fill necks onto older FCST models that originally used a 6-bolt filler neck pattern.\u003c\/p\u003e\n\u003cp\u003eThis is an essential upgrade for builders who want to use the latest Radium fill neck designs on existing surge tanks without having to replace the entire unit. The adapter is made from high-quality materials and provides a secure, leak-free connection between the tank and the fill neck.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-Bolt to 3-Bolt Conversion\u003c\/strong\u003e – Allows modern 3-bolt fill necks on older 6-bolt FCST models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Bolt-On Solution\u003c\/strong\u003e – No modifications to the fuel cell required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined\u003c\/strong\u003e – Ensures proper fitment and sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-Free Connection\u003c\/strong\u003e – Designed for reliable, fuel-tight performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Construction\u003c\/strong\u003e – Built to Radium Engineering’s exacting standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Upgrade Path\u003c\/strong\u003e – Cost-effective way to modernize older surge tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRadium Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eFCST Filler Neck Adapter (6-Bolt to 3-Bolt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eRadium Fuel Cell Surge Tanks (FCST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eAdapts older 6-bolt tanks to modern 3-bolt fill necks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-Quality Machined Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eRadium Engineering Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRadium Engineering 6-Bolt to 3-Bolt Filler Neck Adapter\u003c\/li\u003e\n\u003cli\u003eInstallation Hardware (if applicable)\u003c\/li\u003e\n\u003cli\u003eInstallation Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned exclusively for Radium Fuel Cell Surge Tanks (FCST)\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended\u003c\/li\u003e\n\u003cli\u003eVerify your current fill neck bolt pattern before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadium FCST (Older 6-Bolt Models)\u003c\/td\u003e\n\u003ctd\u003eAllows use of modern 3-bolt fill necks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance Fuel Systems\u003c\/td\u003e\n\u003ctd\u003eIdeal for race, drift, rally, and off-road builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Radium Engineering?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIndustry leader in high-performance fuel system components\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered parts trusted by professional racers and tuners\u003c\/li\u003e\n\u003cli\u003eFocus on quality, fitment, and real-world performance\u003c\/li\u003e\n\u003cli\u003eMade in the USA with a commitment to excellence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What does this adapter do?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e It allows you to install a modern 3-bolt fill neck onto older Radium FCST models that originally used a 6-bolt filler pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to modify my fuel cell?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e No. This is a direct bolt-on adapter that requires no modifications to the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this work with any fill neck?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e It is designed to work with Radium’s modern 3-bolt fill necks on older 6-bolt FCST models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is professional installation required?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e While many experienced builders can install it, professional installation is recommended to ensure a proper, leak-free seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock – ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure Radium Engineering retail packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Radium Engineering","offers":[{"title":"Default Title","offer_id":45438982586447,"sku":"RAD20-1127","price":64.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/radium-fcst-adapter-6-bolt-to-3-bolt-filler.jpg?v=1780434284","url":"https:\/\/www.blackopsautoworks.com\/products\/radium-engineering-fcst-adapter-6-bolt-to-3-bolt-filler","provider":"Black Ops Auto Works","version":"1.0","type":"link"}