Powerworks PV-4 Brass Brake Proportioning Valve 3‑Port 9/16 NPT

Description

Product Overview

The Powerworks PV-4 is a precision‑engineered brake proportioning valve crafted from high‑grade brass. Designed for classic trucks, muscle cars, and any vehicle with front disc and rear disc brakes, it balances hydraulic pressure to prevent rear wheel lock‑up. The valve features a 3‑port configuration with a 9/16‑inch NPT outlet and threaded inlet connections (0.38 in). Its compact size (PV4) and robust construction make it a direct replacement for OEM units.

Usage

Ideal for restoration projects, performance upgrades, and routine brake maintenance, the PV‑4 fits vehicles with 1/2‑inch‑20 and 7/16‑inch‑24 master cylinder connections. Install it in the brake line to achieve smoother stops, especially under heavy braking or on slippery surfaces. Perfect for enthusiasts seeking reliable braking on classic pickups, vintage sports cars, and modern disc‑brake setups.

Why Choose Us

Powerworks combines decades of automotive expertise with meticulous manufacturing standards. Each valve undergoes rigorous testing for pressure tolerance, corrosion resistance, and thermal stability. Our brass alloy offers superior heat dissipation, extending service life even under demanding conditions. Backed by a responsive support team, we ensure seamless installation assistance and warranty coverage.

Key Features

• Durable brass construction resists corrosion and heat buildup for long‑term reliability.
• 3‑port design delivers balanced brake pressure, reducing rear wheel lock‑up.
• Standard 9/16‑inch NPT outlet fits most aftermarket brake lines.
• Threaded inlet connections (0.38 in) compatible with common master cylinders.
• Dedicated customer support and warranty for peace of mind.

FAQ

What vehicles are compatible with the PV‑4 valve?

The PV‑4 fits classic trucks, muscle cars, and any vehicle that uses front disc and rear disc brakes with standard 1/2‑inch‑20 or 7/16‑inch‑24 master cylinder connections.

Is installation difficult?

Installation is straightforward for anyone familiar with brake line work. The valve includes threaded inlet and NPT outlet fittings that match standard brake hardware.

How does the valve improve braking performance?

By proportioning hydraulic pressure between front and rear brakes, the valve prevents rear wheel lock‑up, providing smoother, safer stops especially under heavy braking.

Can I use this valve on a vehicle with ABS?

Yes, the PV‑4 is compatible with most ABS systems, but verify that the valve’s pressure range matches your vehicle’s specifications.

What warranty does Powerworks offer?

Powerworks provides a one‑year limited warranty covering defects in materials and workmanship, along with technical support for installation queries.