Wilwood Aluminum Tandem Master Cylinder - Black

Universal Fitment

Part #: 260-9439-BK

Overview

The Wilwood Aluminum Tandem Master Cylinder is a high-performance hydraulic component designed for manual brake systems. Crafted from durable aluminum and finished in a sleek black e-coat, this master cylinder is built to withstand demanding driving conditions while providing reliable braking response. It is ideal for automotive enthusiasts, restorers, and racers seeking a high-quality upgrade or replacement for their brake system. With its precise bore sizes and versatile mounting options, this master cylinder enhances braking feel, responsiveness, and overall safety. This product is suitable for a wide range of vehicles, especially those with custom or upgraded brake setups, including classic cars, muscle cars, and trucks. Its robust construction and thoughtful design help ensure consistent brake performance, whether in street driving or competitive environments. The inclusion of a pushrod and fluid outlet ports on both sides of the bore simplifies installation and compatibility with various brake configurations.

Key Features

This tandem aluminum master cylinder offers several key features that support optimal brake system performance:

• Constructed from lightweight, corrosion-resistant aluminum for durability and reduced weight
• Available in three finishes: plain, ball burnished, and black e-coat for corrosion protection and aesthetic options
• Designed primarily for manual brake applications with a 1.10" stroke length
• Includes a pushrod for easy installation and adjustment
• Mount flange compatible with measurements from 3.22" to 3.40", suitable for most domestic vehicles from the mid-1960s onward
• Fluid outlet ports on both sides of the bore for flexible plumbing configurations
• Offers a primary-to-secondary volume ratio of 2:1, supporting balanced brake pedal feel

Construction & Design

The master cylinder’s aluminum body combines lightweight strength with excellent heat dissipation, helping to maintain consistent brake performance during prolonged use. The black e-coat finish provides additional corrosion resistance, ensuring longevity in various environmental conditions. Its compact, robust design is engineered for reliable operation and straightforward installation.

Driving Feel & Feedback

This tandem master cylinder is designed to deliver a firm, predictable brake pedal feel, enhancing driver confidence and control. Its precise bore sizing and dual outlet ports support balanced fluid flow, resulting in responsive braking and improved modulation.

Installation & Fitment

Installation involves mounting the master cylinder to the vehicle’s brake booster or firewall using the compatible flange measurements. The included pushrod simplifies setup, and the fluid outlet ports accommodate various brake line configurations. Fitment should be verified against your vehicle’s specifications and the part number.

What’s Included

The package includes the aluminum master cylinder, pushrod, and mounting hardware necessary for installation. Additional fittings or adapters may be required depending on your specific brake system setup.