{"product_id":"fqranbo-12-804-adjustable-fuel-pressure-regulator-with-gauge-holley-edelbrock-compatible-1-4-psi-3-8-npt","title":"FQRANBO 12-804 Adjustable Fuel Pressure Regulator with Gauge – Holley \u0026 Edelbrock Compatible, 1-4 PSI, 3\/8 NPT","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the FQRANBO 12-804 adjustable fuel pressure regulator, a direct-fit solution for Holley and Edelbrock carburetors. Engineered to deliver precise fuel pressure in the practical 1 to 4 psi range, it supports a 0.220 inch restrictor orifice to help shape flow characteristics while you tune for your setup.\u003c\/p\u003e\n\u003ch3\u003eWhat makes it stand out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCOMPATIBILITY AND RANGE: Direct fit for Holley and Edelbrock carbs; adjustable 1 to 4 psi keeps fueling predictable across RPM.\u003c\/li\u003e\n  \u003cli\u003ePORTS AND GAUGE: 3\/8 inch NPT gauge port with a liquid-filled gauge for smooth, readable pressure readings during tuning.\u003c\/li\u003e\n  \u003cli\u003eCONTROL AND STABILITY: An internal pressure-stabilizing structure and a user-friendly adjustment knob let you dial in the desired pressure with confidence.\u003c\/li\u003e\n  \u003cli\u003eBUILD AND DURABILITY: Durable metal and ABS construction withstands high temperatures and corrosive environments in rugged engine bays.\u003c\/li\u003e\n  \u003cli\u003eINSTALLATION NOTES: Loosen the hex nut, adjust to the target pressure, then re-tighten to avoid leaks or lockouts.\u003c\/li\u003e\n  \u003cli\u003ePRECISION SCALE: Upgraded minimum scale of 1 psi reduces misreadings and helps you track real pressure changes more reliably.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal world usage\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEngine swaps or carburetor upgrades where stable fuel delivery matters during idle and accelerations.\u003c\/li\u003e\n  \u003cli\u003eOn-dyno tuning sessions to observe how pressure responds to load and RPM changes.\u003c\/li\u003e\n  \u003cli\u003eAny setup that benefits from a clear gauge readout and flexible pressure control without adding complexity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get and how it helps\u003c\/h3\u003e\n\u003cp\u003eThis regulator sits between the fuel pump and carburetor, regulating pressure with a precision knob and an internal stabilizing structure. A 0.220 inch restrictor helps modulate flow for smoother metering, while the 1 in \/ 2 out configuration supports common carburetor plumbing layouts. The solid metal and ABS mix is built to endure demanding engine environments, so you can tune with confidence and focus on the drive, not the regulator.\u003c\/p\u003e\n\u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm compatibility with your carburetor model before installation for a seamless fit.\u003c\/li\u003e\n  \u003cli\u003eDuring setup, adjust in small increments and verify readings with the gauge at operating temperature.\u003c\/li\u003e\n\u003c\/ul\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: Is the FQRANBO 12-804 regulator compatible with Holley and Edelbrock carburetors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it directly fits Holley and Edelbrock carbs and lets you tune fuel pressure from 1 to 4 psi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I adjust the fuel pressure on this regulator?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Loosen the hex nut, rotate the adjustment knob to your desired pressure, then re-tighten the nut.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FQRANBO","offers":[{"title":"Default Title","offer_id":42470618660949,"sku":"B0GHLZT23S","price":49.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/fqranbo-12-804-regulator-with-gauge.jpg?v=1778138778","url":"https:\/\/plentytorque.co.uk\/products\/fqranbo-12-804-adjustable-fuel-pressure-regulator-with-gauge-holley-edelbrock-compatible-1-4-psi-3-8-npt","provider":"PlentyTorque","version":"1.0","type":"link"}