---
product_id: 75782393
title: "Holley 12-704 Carbureted Fuel Pressure Regulator"
brand: "holley"
price: "B/.602"
currency: PAB
in_stock: true
category: "Holley"
url: https://www.desertcart.com.pa/products/75782393-holley-12-704-carbureted-fuel-pressure-regulator
store_origin: PA
region: Panama
---

# 1/2" NPT inlet & dual outlet ports Adjustable 4.5-9 psi fuel pressure Includes mounting hardware & fittings Holley 12-704 Carbureted Fuel Pressure Regulator

**Brand:** holley
**Price:** B/.602
**Availability:** ✅ In Stock

## Summary

> ⚡ Master your fuel flow, dominate the drive!

## Quick Answers

- **What is this?** Holley 12-704 Carbureted Fuel Pressure Regulator by holley
- **How much does it cost?** B/.602 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/75782393-holley-12-704-carbureted-fuel-pressure-regulator)

## Best For

- holley enthusiasts

## Why This Product

- Trusted holley brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready Out-of-the-Box:** Factory pre-set for hassle-free installation—no guesswork, just instant reliability.
- • **Precision Fuel Control:** Fine-tune your fuel pressure from 4.5 to 9 psi for optimal engine performance and avoid flooding.
- • **Durable & Alcohol Compatible:** Built with robust plastic materials designed to handle alcohol fuels without compromise.
- • **Universal Fit & Easy Install:** 1/2" NPT threaded inlet and dual outlet ports ensure seamless compatibility and quick setup.
- • **Complete Mounting Kit Included:** Everything you need to mount and connect is in the box—get your ride race-ready fast.

## Overview

The Holley 12-704 Carbureted Fuel Pressure Regulator offers precise, adjustable fuel pressure control from 4.5 to 9 psi with 1/2" NPT inlet and dual outlet ports. Designed for universal fit and alcohol compatibility, it comes factory pre-set and includes all necessary mounting hardware for quick, reliable installation—perfect for professional-grade carbureted engine tuning.

## Description

Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. The Holley 12-704 fuel pressure regulator features 1/2" NPT in/out ports.

## Features

- Adjustable fuel regulation from 4-1/2 to 9 psi
- One 1/2" NPT inlet and two 1/2" NPT outlet ports
- .437" (7/16") restriction
- Includes mounting hardware and an style fittings
- Alcohol compatible

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00029JC5I |
| Auto Part Position | Rear |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #1,629,878 in Automotive ( See Top 100 in Automotive ) #1,405 in Automotive Replacement Fuel Injection Pressure Regulators |
| Body Material | Plastic |
| Brand Name | Holley |
| Compatible with Vehicle Type | Car |
| Connector Type | NPT |
| Customer Reviews | 4.8 4.8 out of 5 stars (11) |
| Fit Type | Universal Fit |
| Gas Type | Gasoline |
| Global Trade Identification Number | 00090127116128 |
| Included Components | Holley 12-704 Carbureted Fuel Pressure Regulator |
| Inlet Connection Size | 0.5 inches |
| Inlet Connection Type | Threaded |
| Item Dimensions | 5.5 x 5.3 x 3.15 inches |
| Item Type Name | Holley 12-704 Carbureted Fuel Pressure Regulator |
| Item Weight | 1.1 pounds |
| Manufacturer | Holley |
| Manufacturer Part Number | 12-704 |
| Manufacturer Warranty Description | Warranty |
| Material Type | Plastic |
| Model Number | 12-704 |
| Mounting Type | Tank Mount |
| Number of Items | 1 |
| OEM Equivalent Part Number | 12-704 |
| Operation Mode | Automatic |
| Outlet Connection Size | 0.5 inches |
| Outlet Connection Type | 1/2 NPT |
| Product Grade | New |
| Specification Met | Street/Strip Carbureted Applications |
| UPC | 090127116128 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Holley
- **Fit Type:** Universal Fit
- **Item dimensions L x W x H:** 5.5 x 5.3 x 3.15 inches
- **Material:** Plastic
- **Vehicle Service Type:** Car

## Images

![Holley 12-704 Carbureted Fuel Pressure Regulator - Image 1](https://m.media-amazon.com/images/I/71V91k5mSqL.jpg)

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**Shop now:** [https://www.desertcart.com.pa/products/75782393-holley-12-704-carbureted-fuel-pressure-regulator](https://www.desertcart.com.pa/products/75782393-holley-12-704-carbureted-fuel-pressure-regulator)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-10-16*