Wilwood Proportioning Valve - Lever Style

Universal Fitment

Part #: 260-8420

Overview

The Wilwood Proportioning Valve - Lever Style is a high-precision, adjustable brake pressure regulator designed for racing and high-performance applications. Crafted from forged billet aluminum, this compact valve offers exceptional strength and durability, making it suitable for drivers seeking precise control over their brake bias. The lever-style adjustment mechanism allows for quick, on-the-fly modifications, enabling racers to optimize braking performance during a race. With pressure adjustments ranging from 100 to 1000 PSI and a maximum decrease of 57% in line pressure, this valve provides versatile tuning options to suit various track conditions and driving styles. Its six preset positions, actuated by a tactile lever, ensure reliable and repeatable adjustments, enhancing driver confidence and safety. Designed for professional racers, automotive enthusiasts, and custom builders, this proportioning valve helps improve braking response, stability, and overall vehicle control. Its robust construction and precise pressure regulation support consistent braking performance, reducing fade and improving pedal feel during intense driving scenarios.

Key Features

This Wilwood proportioning valve combines innovative design with practical functionality to meet demanding racing needs. Key features include:

• Forged billet aluminum construction for maximum strength and durability
• Adjustable pressure range from 100 to 1000 PSI for versatile tuning
• Maximum line pressure reduction of 57% for optimal brake bias control
• Six preset positions with positive click stops for quick adjustments
• Compact, lightweight design suitable for tight engine bays and custom setups
• Easy lever operation for rapid, on-the-fly pressure adjustments
• Designed to support high-performance brake systems in racing environments

Construction & Design

The valve’s forged billet aluminum body ensures structural integrity under high stress, while the precise machining guarantees smooth operation and reliable pressure regulation. The lever mechanism is ergonomically designed for easy handling, with tactile feedback to confirm each preset position, allowing drivers to make confident adjustments during competition.

Driving Feel & Feedback

This proportioning valve enhances driver control by providing consistent, predictable brake pressure modulation. The quick adjustment lever allows for real-time bias changes, helping to optimize braking response and vehicle stability during dynamic driving conditions.

Installation & Fitment

Installation involves connecting the valve into the brake line system, with fittings compatible with standard racing brake setups. Proper fitment should be verified against your specific brake configuration and vehicle requirements to ensure optimal performance.

What’s Included

The package includes the lever-style proportioning valve, mounting hardware, and necessary fittings for installation. Additional hardware or adapters may be required depending on your vehicle’s brake system configuration.