{"product_id":"rjsphh-fuel-pressure-regulator-for-carburetor-engines-gunmetal-adjustable-1-5-psi","title":"RJSPHH Fuel Pressure Regulator for Carburetor Engines — Gunmetal Adjustable 1–5 psi","description":"\u003cp\u003e\u003cstrong\u003eRJSPHH's adjustable gunmetal fuel pressure regulator kit controls carburetor fuel pressure precisely from 1 to 5 psi for reliable fuel delivery on carburetor engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis compact fuel pressure regulator is designed for carburetor systems using electric facet-style fuel pumps. Constructed from zinc alloy with a gunmetal finish, the regulator offers corrosion resistance and an adjustable top dial to fine-tune fuel pressure. It ships as a simple kit that includes fittings and clips to connect to 8mm push-on fuel hose and is intended for professional installation or experienced DIYers comfortable with fuel-system work.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this regulator fit into my carburetor fuel setup?\u003c\/h3\u003e\n\u003cp\u003eThe RJSPHH regulator mounts inline between your fuel pump and carburetor to keep steady pressure at the carburetor inlet. Its compact body and standard 8mm fittings make integration straightforward in most retrofit and custom applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with electric facet-style fuel pumps that supply low-pressure fuel.\u003c\/li\u003e\n  \u003cli\u003ePush-on 8mm fittings included for common fuel hose sizes.\u003c\/li\u003e\n  \u003cli\u003eInline installation reduces fuel surges and helps consistent jetting under varying loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat adjustment range and limits should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe regulator provides a numbered adjustment dial that controls pressure between approximately 1 and 5 psi, allowing you to dial in the pressure that suits carburetor float levels and engine tuning. Be mindful of the input pressure limit to avoid damage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable range: 1 to 5 psi via the top-mounted dial.\u003c\/li\u003e\n  \u003cli\u003eMaximum recommended input pressure: 7 psi. Exceeding this risks regulator failure.\u003c\/li\u003e\n  \u003cli\u003eFine adjustments allow matching pressure to carburetor float bowl specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability can I expect from this unit?\u003c\/h3\u003e\n\u003cp\u003eRJSPHH built this regulator from zinc alloy with a gunmetal finish that resists corrosion and provides long service life in typical automotive and marine environments. Its rugged construction suits exposed mounting locations when paired with correct clamps and fittings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eZinc alloy body for anti-corrosion performance and structural durability.\u003c\/li\u003e\n  \u003cli\u003eGunmetal finish reduces surface wear and suits visible engine-bay installations.\u003c\/li\u003e\n  \u003cli\u003eIncludes three steel clips to secure push-on hose connections against vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what should I prepare for installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains the adjustable regulator, three steel hose clips and 8mm push-on fittings to mate with standard 8mm fuel hose. It does not include installation instructions, so gather basic tools and plan for a professional install if you are not experienced with fuel systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: RJSPHH adjustable regulator, three steel clips, and two 8mm push-on fittings.\u003c\/li\u003e\n  \u003cli\u003eNot included: hoses, mounting hardware, or printed installation instructions.\u003c\/li\u003e\n  \u003cli\u003eRecommended: fuel-safe hose, clamps, thread sealant where appropriate, and professional installation if unsure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The RJSPHH fuel pressure regulator kit is aimed at mechanics, custom builders, and experienced DIY enthusiasts working on carbureted engines that use low-pressure electric fuel pumps. It’s a practical solution when you need a compact, adjustable regulator to stabilize carburetor supply pressure, especially in retrofits and performance tweaks. If you require sealed certifications, application-specific fittings, or factory-matched parts, consult a technician before purchase.\u003c\/p\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 this regulator compatible with my electric facet fuel pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—designed for low-pressure facet-style electric pumps; ensure pump output does not exceed 7 psi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install it myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If you have fuel-system experience, yes; otherwise professional installation is recommended for safety.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RJSPHH","offers":[{"title":"Default Title","offer_id":48085540176030,"sku":"B092VCSLPV","price":37.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/rjsphh-fuel-regulator-front-view.jpg?v=1785872182","url":"https:\/\/northtrailauto.ca\/products\/rjsphh-fuel-pressure-regulator-for-carburetor-engines-gunmetal-adjustable-1-5-psi","provider":"North Trail Auto","version":"1.0","type":"link"}