---
product_id: 354930193
title: "PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve"
brand: "powerworks"
price: "B/.142"
currency: PAB
in_stock: true
reviews_count: 9
category: "Powerworks"
url: https://www.desertcart.com.pa/products/354930193-pv4-brake-proportioning-valve-disc-disc-brake-system-combination-valve
store_origin: PA
region: Panama
---

# Proportional pressure distribution prevents rear lockup Universal fit for classic trucks & muscle cars Durable corrosion-resistant brass construction PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve

**Brand:** powerworks
**Price:** B/.142
**Availability:** ✅ In Stock

## Summary

> 🛑 Stop Rear Lockup, Start Driving Confidently!

## Quick Answers

- **What is this?** PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve by powerworks
- **How much does it cost?** B/.142 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/354930193-pv4-brake-proportioning-valve-disc-disc-brake-system-combination-valve)

## Best For

- powerworks enthusiasts

## Why This Product

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

## Key Features

- • **Robust Brass Build:** Crafted from high-quality brass for superior durability, corrosion resistance, and thermal conductivity.
- • **Trusted Performance:** Highly rated with 4.5 stars and proven reliability in vintage and modern brake systems.
- • **Universal Compatibility:** Fits almost any disc/disc brake system on classic trucks and muscle cars for seamless upgrades.
- • **Precision Pressure Control:** Balances front and rear brake pressure to eliminate dangerous rear wheel lockup and enhance safety.
- • **Versatile Mounting Options:** Left, right, or bottom mount flexibility to fit your custom brake setup effortlessly.

## Overview

The POWERWORKS PV4 Brake Proportioning Valve is a universal, brass-made combination valve designed for disc/disc brake systems. It ensures proportional brake pressure distribution to prevent rear wheel lockup, fits a wide range of classic trucks and muscle cars, and offers versatile mounting options. With threaded connections tailored for master cylinders and brake lines, it delivers reliable, corrosion-resistant performance trusted by automotive enthusiasts.

## Description

This is a UNIVERSAL PV4 combination valve, Disc/Disc brake system combination valve， proportioning-combination valve in brass. Our proportioning valve will work as left mount, right mount or bottom mount.The combination/prop valve has five connections.It has a 9/16"-18 connection for Rear Brakes & Dual 3/8"-24 ports for the front brakes .The connections from the Master Cylinder are 1/2"-20 and 7/16"-24.This proportional valve help you solve the rear lock up problem. Under the protection of the brand, the quality of the goods is trustworthy. If you have any questions, you can contact us. We look forward to giving you the best shopping experience.

Review: Does the job as advertized - Appears to be good quality. Doing the job it was meant to do.
Review: 1972 Buick brake proportioning valve - Works as it should. Perfectly.

## Features

- This PV-4 proportioning valve works on almost any classic truck, or muscle car, and nearly all vehicles that have disc brakes in the front and disc brakes in the rear
- This proportional valve help you solve the rear lock up problem. This proportional valve / combination valve helps to distribute the pressure sent to the front and rear brakes proportionally, effectively preventing rear lockup
- Has standard 9/16"-18 and 1/2"-20 fittings
- The connections from the Master Cylinder are 1/2"-20 and 7/16"-24. This proportioning valve made of high-quality brass to ensure the durability, corrosion resistance and high-quality thermal conductivity of the product
- Package include：1 Pcs Brass PV4 Brake Proportioning Valve Disc/Disc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B096TTYR4N |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #35,685 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Brake Proportioning Valves |
| Brand | POWERWORKS |
| Customer Reviews | 4.5 4.5 out of 5 stars (279) |
| Date First Available | June 8, 2021 |
| Exterior Finish | Brass |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | Threaded |
| Item Package Quantity | 1 |
| Item Weight | 1.61 pounds |
| Item model number | 749346322123 |
| Manufacturer | Powerworks |
| Material | Brass |
| Number of Ports | 3 |
| Outlet Connection Size | 9/16 Inches |
| Outlet Connection Type | NPT |
| Package Dimensions | 5.98 x 2.91 x 1.38 inches |
| Size | PV4 |
| UPC | 749346322123 |

## Product Details

- **Brand:** POWERWORKS
- **Exterior Finish:** Brass
- **Inlet Connection Size:** 0.38 Inches
- **Inlet Connection Type:** Threaded
- **Manufacturer:** Powerworks
- **Material:** Brass
- **Number of Ports:** 3
- **Outlet Connection Size:** 9/16 Inches
- **Outlet Connection Type:** NPT
- **UPC:** 749346322123

## Images

![PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve - Image 1](https://m.media-amazon.com/images/I/41ysDk9FFvL.jpg)
![PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve - Image 2](https://m.media-amazon.com/images/I/41PdQ9mexFL.jpg)
![PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve - Image 3](https://m.media-amazon.com/images/I/4118sQiy6LS.jpg)
![PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve - Image 4](https://m.media-amazon.com/images/I/41SAUQ2Sj6S.jpg)
![PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve - Image 5](https://m.media-amazon.com/images/I/41v9JgJblXS.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Does the job as advertized
*by A***R on January 1, 2026*

Appears to be good quality. Doing the job it was meant to do.

### ⭐⭐⭐⭐⭐ 1972 Buick brake proportioning valve
*by S***E on December 13, 2025*

Works as it should. Perfectly.

### ⭐⭐⭐⭐⭐ 1975 corvette replacement
*by S***U on November 4, 2025*

Perfect fit

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**Shop now:** [https://www.desertcart.com.pa/products/354930193-pv4-brake-proportioning-valve-disc-disc-brake-system-combination-valve](https://www.desertcart.com.pa/products/354930193-pv4-brake-proportioning-valve-disc-disc-brake-system-combination-valve)

---

*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-02-25*