{"product_id":"radium-engineering-fuel-pressure-regulator-bosch-3-bar-4-bar","title":"Radium Engineering Fuel Pressure Regulator – Bosch 3 Bar\/4 Bar","description":"\u003cp\u003eThe \u003cstrong\u003eRadium Engineering Fuel Pressure Regulator\u003c\/strong\u003e for \u003cstrong\u003eBosch 3 Bar\/4 Bar\u003c\/strong\u003e is intended for performance builds that demand a more deliberate approach than simply adapting the factory hardware. It gives the installer a Radium-specific foundation for the listed application.\u003c\/p\u003e\u003ch3\u003eWhy This Upgrade Matters\u003c\/h3\u003e\u003cp\u003eFuel pressure control is fundamental to injector consistency and repeatable tuning. A regulator must manage return flow while maintaining the pressure strategy required by the injectors and ECU, particularly as pump flow and engine demand increase.\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Application\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Bosch 3 Bar\/4 Bar\u003cbr\u003e\u003cstrong\u003eFitment style:\u003c\/strong\u003e Application-Specific\u003c\/p\u003e\u003ch3\u003eChoose Your Configuration\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Pressure: 4 Bar\u003c\/strong\u003e — \u003ccode\u003eRAD20-0010-01\u003c\/code\u003e: Match this configuration to the required base-pressure and plumbing strategy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Pressure: 3 Bar\u003c\/strong\u003e — \u003ccode\u003eRAD20-0010-00\u003c\/code\u003e: Match this configuration to the required base-pressure and plumbing strategy.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Notes\u003c\/h3\u003e\u003cp\u003eBase pressure should be set with the system configured as required by the engine management strategy. Pump flow affects the regulator' operating range, and boosted applications may require a manifold-reference connection where the specific regulator supports it.\u003c\/p\u003e\u003ch3\u003eRadium Part Numbers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ccode\u003eRAD20-0010-01\u003c\/code\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ccode\u003eRAD20-0010-00\u003c\/code\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEnthusiast Notes\u003c\/h3\u003e\u003cp\u003eFor tuned cars, stable pressure is part of stable fueling. Set the regulator with a gauge or sensor and validate pressure behavior under load rather than assuming the static setting tells the whole story.\u003c\/p\u003e\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\u003cp\u003eConfirm required base-pressure range, total pump flow, feed\/return port sizes and whether vacuum\/boost reference is required. A regulator should be sized as part of the complete fuel system.\u003c\/p\u003e","brand":"Radium Engineering","offers":[{"title":"4 Bar","offer_id":50230223208698,"sku":"RAD20-0010-01","price":137.7,"currency_code":"USD","in_stock":true},{"title":"3 Bar","offer_id":50230223241466,"sku":"RAD20-0010-00","price":123.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/d0307523-9cf6-49fa-9a8c-97f3938c2d45-800_387b398f-884e-4282-a59f-04dfcf62eb76.jpg?v=1764569136","url":"https:\/\/lgcracing.com\/products\/radium-engineering-fuel-pressure-regulator-bosch-3-bar-4-bar","provider":"Legacy Racing","version":"1.0","type":"link"}