{"product_id":"granatelli-50mm-viper-series-ultra-high-flow-blow-off-valve","title":"Granatelli 50mm Viper Series Ultra High Flow Blow Off Valve","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 540201 \/ \u003cstrong\u003eUPC:\u003c\/strong\u003e 802735042337\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eGranatelli Motor Sports 50mm Ultra High Flow Blow-Off Valve (BOV) with 6 psi \u0026amp; 15 psi Springs\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBlack Ops Auto Works is proud to offer the **Granatelli 50mm Ultra High Flow Blow-Off Valve** as a serious performance upgrade for turbocharged vehicles. This large 50mm valve with a generous 0.625\" lift is engineered to quickly vent boost pressure, reduce compressor surge, and protect your turbocharger while delivering a crisp, aggressive blow-off sound. The kit includes both a 6 psi spring for daily driving and mild boost applications, and a 15 psi spring for high-boost setups, giving you the flexibility to tune the valve to your specific power level.\u003c\/p\u003e\n\u003ch4\u003eWhy Choose Granatelli Blow-Off Valves from Black Ops Auto Works?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra High Flow 50mm Design\u003c\/strong\u003e – Significantly larger than most factory BOVs for faster pressure release\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Spring Rates\u003c\/strong\u003e – Includes both 6 psi (daily\/mild) and 15 psi (high-boost) springs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo Protection\u003c\/strong\u003e – Reduces compressor surge that can damage turbochargers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Throttle Response\u003c\/strong\u003e – Quicker boost venting leads to sharper power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Finish\u003c\/strong\u003e – Durable, corrosion-resistant, and great looking under the hood\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Valve Size\u003c\/strong\u003e – High-flow design for serious boost applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.625\" Lift\u003c\/strong\u003e – Allows rapid venting of boost pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Spring Kit Included\u003c\/strong\u003e – 6 psi for street use and 15 psi for high-performance builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Aluminum Body\u003c\/strong\u003e – Lightweight and corrosion resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrisp Turbo Sound\u003c\/strong\u003e – Produces a loud, distinctive blow-off noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\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\u003eGranatelli Motor Sports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003e50mm Ultra High Flow Blow-Off Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Size\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLift\u003c\/td\u003e\n\u003ctd\u003e0.625 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSprings Included\u003c\/td\u003e\n\u003ctd\u003e6 psi (daily\/mild) and 15 psi (high-boost)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack Anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.0 lbs\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\u003eGranatelli 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\u003eGranatelli 50mm Blow-Off Valve\u003c\/li\u003e\n\u003cli\u003e6 psi Spring\u003c\/li\u003e\n\u003cli\u003e15 psi Spring\u003c\/li\u003e\n\u003cli\u003eAll Necessary Hardware and Gaskets\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThis is a **universal** blow-off valve designed for turbocharged applications\u003c\/li\u003e\n\u003cli\u003eProfessional installation and proper tuning are recommended\u003c\/li\u003e\n\u003cli\u003eChoose the correct spring based on your boost levels (6 psi for mild, 15 psi for high boost)\u003c\/li\u003e\n\u003cli\u003eMay require fabrication or custom piping depending on your turbo setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\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\u003eUniversal Turbocharged Vehicles\u003c\/td\u003e\n\u003ctd\u003eDesigned for custom or modified turbo setups. Professional fabrication may be required for proper installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Granatelli through Black Ops Auto Works?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBlack Ops Auto Works is your trusted authority for premium Granatelli Motor Sports products\u003c\/li\u003e\n\u003cli\u003eGranatelli blow-off valves deliver excellent flow, sound, and turbo protection\u003c\/li\u003e\n\u003cli\u003eExpert support and fast shipping for your build\u003c\/li\u003e\n\u003cli\u003eBacked by Granatelli’s reputation for high-performance turbo components\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 Is this a complete BOV or just the valve?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e This is a complete blow-off valve kit that includes the valve body, both springs, and all necessary hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Which spring should I use?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Use the 6 psi spring for daily driving and mild boost levels. Use the 15 psi spring for high-boost applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit my stock turbo setup?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e This is a universal high-flow BOV. It may require custom fabrication or piping depending on your turbo and intercooler setup.\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 Granatelli retail packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":45892044685391,"sku":"GMS540198","price":274.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/granatelli-540201-50mm-blow-off-valve.png?v=1781805787","url":"https:\/\/www.blackopsautoworks.com\/products\/granatelli-50mm-viper-series-ultra-high-flow-blow-off-valve","provider":"Black Ops Auto Works","version":"1.0","type":"link"}