{"product_id":"ptnhz-racing-adjustable-fuel-pressure-regulator-for-carburettor-chrome-1-5-psi-manual-dial","title":"PTNHZ RACING Adjustable Fuel Pressure Regulator for Carburettor — Chrome 1–5 psi Manual Dial","description":"\u003cp\u003e\u003cstrong\u003ePTNHZ RACING Manual Adjustable Fuel Pressure Regulator lets you dial fuel pressure between 1–5 psi to stabilize carburettor feeding for single or twin setups.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for classic and performance applications that use mechanical or electric lift pumps, this compact chrome-finish regulator controls the flow and pressure entering your carburettor. It pairs well with Facet-style fuel pumps and other low-pressure sources, protecting carburettor float bowls from excessive pressure while offering an easy-to-read numbered adjustment dial for on-vehicle tuning.\u003c\/p\u003e\n\n\u003ch3\u003eHow much pressure adjustment does this regulator provide?\u003c\/h3\u003e\n\u003cp\u003eThe regulator offers a manual adjustment range from 1 to 5 psi via a numbered dial on top, letting you fine-tune fuel delivery for different jetting or engine setups. Do not exceed the maximum input pressure of 7 psi to avoid damage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustment range: 1–5 psi\u003c\/li\u003e\n  \u003cli\u003eTop-mounted numbered dial for quick visual setting\u003c\/li\u003e\n  \u003cli\u003eMaximum input pressure: 7 psi (do not exceed)\u003c\/li\u003e\n  \u003cli\u003eSuitable for low-pressure carburettor systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit single and twin carburettor installations?\u003c\/h3\u003e\n\u003cp\u003eYes — the design accommodates both single and twin carburettor configurations, making it versatile for older street cars, hot rods, and lightweight performance builds. The compact footprint and standard hose fittings simplify installation on manifold or chassis-mounted plumbing runs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with single and twin carburettor setups\u003c\/li\u003e\n  \u003cli\u003eCompact chrome housing for easy mounting\u003c\/li\u003e\n  \u003cli\u003eWorks with common low-pressure fuel hoses and clamps\u003c\/li\u003e\n  \u003cli\u003eIdeal when used downstream of Facet-style pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the regulator improve carburettor performance?\u003c\/h3\u003e\n\u003cp\u003eBy keeping fuel pressure within a narrow, adjustable window, the regulator prevents over-pressurizing float bowls that can cause rich running or flooding. Consistent pressure helps maintain predictable fuel metering across throttle positions and supports more reliable jet tuning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces float bowl overfill and flooding risk\u003c\/li\u003e\n  \u003cli\u003eStabilizes fuel flow for repeatable jetting adjustments\u003c\/li\u003e\n  \u003cli\u003eChrome finish resists corrosion and provides a clean look\u003c\/li\u003e\n  \u003cli\u003eManual control lets you tune for altitude or engine changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know before installing it?\u003c\/h3\u003e\n\u003cp\u003eConfirm your pump’s maximum outlet pressure is below 7 psi to protect the regulator. Use appropriate fuel-rated hoses, clamps, and mounting hardware; avoid excessive heat sources and secure the unit to minimize vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck pump output does not exceed 7 psi\u003c\/li\u003e\n  \u003cli\u003eUse fuel-rated hose and secure clamps\u003c\/li\u003e\n  \u003cli\u003eMount away from exhaust heat and heavy vibration\u003c\/li\u003e\n  \u003cli\u003eAdjust pressure with engine off, then verify under running conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The PTNHZ RACING Manual Adjustable Fuel Pressure Regulator is aimed at classic car owners, hot rodders, kart and race builders, and mechanics converting or tuning low-pressure carburettor systems. If you use a Facet or similar low-pressure pump and need a simple, durable way to set and hold fuel pressure between 1–5 psi while maintaining a vintage appearance, this regulator is a practical, budget-friendly choice.\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: Can I use this with an electric Facet fuel pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s designed to work with Facet-style low-pressure pumps, provided the pump outlet stays under 7 psi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I set the fuel pressure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Turn the numbered top dial to the desired psi (1–5) with the engine off, then verify pressure under running conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PTNHZ RACING","offers":[{"title":"Default Title","offer_id":48084860043422,"sku":"B07S3ZGDSR","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ptnhz-racing-regulator-front-view.jpg?v=1785864153","url":"https:\/\/northtrailauto.ca\/products\/ptnhz-racing-adjustable-fuel-pressure-regulator-for-carburettor-chrome-1-5-psi-manual-dial","provider":"North Trail Auto","version":"1.0","type":"link"}