{"product_id":"adjustable-fuel-pressure-regulator-kit-gauge-carburetor-1-4-psi-12-804","title":"Adjustable Carburetor Fuel Pressure Regulator Kit 1-4 PSI 12-804","description":"\n\u003ch2\u003eJOCESTYLE Adjustable Fuel Pressure Regulator Kit with Gauge – Carburetor 1–4 PSI (12-804 Replacement)\u003c\/h2\u003e\n\n\u003cp\u003eUpgrade your vehicle's fuel system with the \u003cstrong\u003eJOCESTYLE Adjustable Fuel Pressure Regulator Kit\u003c\/strong\u003e. Engineered specifically for Holley carburetor applications using the 12-804 reference part number, this kit delivers precise fuel pressure control from 1 to 4 PSI — keeping your engine running smoothly and efficiently.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Specific Fitment:\u003c\/strong\u003e Designed for compatibility with Holley carburetor 12-804 and 3\/8\" NPT ports (1-inch and 2-inch). Ensures a snug, reliable fit for your specific fuel system setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOE Reference Part Number:\u003c\/strong\u003e Uses 12-804 as the OE reference, guaranteeing accurate fitment. Please verify your OE number before ordering to ensure seamless installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurpose-Built Fuel Control:\u003c\/strong\u003e This low-pressure regulator controls fuel flow from the pump to the carburetor, allowing you to fine-tune fuel delivery based on your vehicle's needs and carburetor configuration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtects Your Engine:\u003c\/strong\u003e Precisely manages fuel pressure to help prevent needle valve overload and overflow issues, safeguarding engine reliability and driving performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Zinc Alloy Construction:\u003c\/strong\u003e Built from high-strength zinc alloy that resists rust and corrosion, offering exceptional durability and an extended service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes Gauge:\u003c\/strong\u003e Kit comes complete with a fuel pressure gauge so you can monitor system pressure at a glance — no separate purchase needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eJOCESTYLE\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eZinc Alloy\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePressure Range\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1–4 PSI (0.220 in \/ 7\/32 in limit; not for use above 5 PSI)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePort Type\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3\/8\" NPT Port (1-inch \u0026amp; 2-inch)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eReference Part Number\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e12-804\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e80 × 70 × 40 mm \/ 3.15 × 2.76 × 1.57 inches\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Fuel Pressure Regulator\u003c\/li\u003e\n  \u003cli\u003e1 × Fuel Pressure Gauge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Due to variations in monitor settings and lighting conditions, the actual color may differ slightly from product images. Please allow 1–2 cm tolerance due to manual measurement. This regulator is \u003cem\u003enot suitable\u003c\/em\u003e for use above 5 PSI.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1000d-tactical-edc-bag-military-ammo-pouch-hunting-wash-bag-dump-pouch-portable-tool-storage-handbag-compatible-military-utility\"\u003e1000D Tactical EDC Tool Storage Handbag\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Replacement Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws – Phillips\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/maintain.jsp\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov on vehicle maintenance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What vehicles or carburetors is this fuel pressure regulator compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This adjustable fuel pressure regulator kit is specifically designed for use with Holley carburetor 12-804 and systems with 3\/8\" NPT ports (1-inch and 2-inch configurations). Always verify your OE reference number (12-804) before ordering to confirm compatibility with your specific setup.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the adjustable pressure range for this carburetor fuel pressure regulator?\u003c\/h4\u003e\n\u003cp\u003eA: The regulator is adjustable between 1 and 4 PSI, with a 0.220 in (7\/32 in) limit. It is \u003cstrong\u003enot recommended for use above 5 PSI\u003c\/strong\u003e, so please ensure your application falls within this range for safe and optimal operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the kit include a fuel pressure gauge?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The kit includes both a fuel pressure regulator and a fuel pressure gauge, so you have everything you need to monitor and adjust your carburetor fuel pressure right out of the box — no additional purchases required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is the fuel pressure regulator made from?\u003c\/h4\u003e\n\u003cp\u003eA: The regulator is constructed from high-strength zinc alloy, which provides excellent rust resistance, corrosion resistance, and long-term durability — making it a reliable replacement for your carburetor fuel system.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What vehicles or carburetors is this fuel pressure regulator compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adjustable fuel pressure regulator kit is specifically designed for use with Holley carburetor 12-804 and systems with 3\/8\\\" NPT ports (1-inch and 2-inch configurations). Always verify your OE reference number (12-804) before ordering to confirm compatibility with your specific setup.\"}}, {\"@type\": \"Question\", \"name\": \"What is the adjustable pressure range for this carburetor fuel pressure regulator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The regulator is adjustable between 1 and 4 PSI, with a 0.220 in (7\/32 in) limit. It is not recommended for use above 5 PSI, so please ensure your application falls within this range for safe and optimal operation.\"}}, {\"@type\": \"Question\", \"name\": \"Does the kit include a fuel pressure gauge?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The kit includes both a fuel pressure regulator and a fuel pressure gauge, so you have everything you need to monitor and adjust your carburetor fuel pressure right out of the box — no additional purchases required.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the fuel pressure regulator made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The regulator is constructed from high-strength zinc alloy, which provides excellent rust resistance, corrosion resistance, and long-term durability — making it a reliable replacement for your carburetor fuel system.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Adjustable Carburetor Fuel Pressure Regulator Kit 1-4 PSI 12-804\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/products\/adjustable-fuel-pressure-regulator-kit-gauge-carburetor-1-4-psi-12-804\"}]}\u003c\/script\u003e","brand":"Richie's","offers":[{"title":"1 Pack","offer_id":57600998899878,"sku":"1005012733254658-1 Pack","price":143.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/2182\/7494\/files\/Sa6c4f1da0efc4672a6bec5f77737e876e.webp?v=1791681974","url":"https:\/\/richiesmart.com\/products\/adjustable-fuel-pressure-regulator-kit-gauge-carburetor-1-4-psi-12-804","provider":"Richie's","version":"1.0","type":"link"}