Wilwood Compact Remote Flange Mount Master Cylinder with Aluminum Reservoir - 7/8" Bore

Universal Fitment for Performance and Custom Brake Systems

Part #: 261-16839-.88

Overview

The Wilwood Compact Remote Flange Mount Master Cylinder with Aluminum Reservoir is a precision-engineered hydraulic component designed to deliver reliable and consistent brake performance in a compact package. Often referred to as the "shorty" master cylinder, this unit measures just 3.375 inches in length, making it ideal for applications where space is limited or where a clean, streamlined installation is desired.

This master cylinder is perfect for automotive enthusiasts, hot rod builders, and racers who require a high-quality, durable brake component that fits easily into tight engine bays or custom brake setups. Whether you are upgrading your braking system for improved pedal feel, better modulation, or simply replacing a worn factory unit, this Wilwood master cylinder offers excellent performance and style.

Featuring a machined billet aluminum reservoir with a classic finned design, this master cylinder not only reduces weight compared to traditional steel reservoirs but also provides passive cooling to help maintain brake fluid temperature during spirited driving or track use. The 7/8" bore size balances hydraulic pressure and volume for a wide range of brake system configurations.

Key Features

The Wilwood Compact Remote Flange Mount Master Cylinder combines advanced materials and thoughtful design to enhance your vehicle’s braking system. Key features include:

• Compact design measuring only 3.375 inches in length, ideal for tight spaces and custom installations.
• 7/8" bore size optimized for balanced hydraulic pressure and fluid volume in various brake setups.
• Machined billet aluminum reservoir with a finned exterior for reduced weight and improved heat dissipation.
• Remote flange mount configuration allows flexible placement away from the pedal assembly or firewall.
• High-quality construction ensures durability and consistent brake pedal feel under demanding conditions.
• Classic hot rod styling with the finned reservoir, adding a vintage performance look to your brake system.
• Available in multiple bore sizes (5/8" to 1.125") and with or without reservoirs to suit specific build requirements.
• Compatible with a wide range of vehicles and brake system designs, including street, strip, and race applications.

Construction & Design

This master cylinder features a billet aluminum reservoir that is precision-machined for strength and lightweight performance. The finned design not only enhances the visual appeal but also promotes passive cooling by increasing surface area, helping to reduce brake fluid temperatures during heavy use. The compact body is engineered to fit into confined spaces without sacrificing hydraulic efficiency.

The remote flange mount design offers versatile installation options, allowing you to position the master cylinder in the most convenient or effective location for your vehicle’s brake system layout. This flexibility is especially valuable in custom builds, hot rods, and race cars where space and packaging constraints are common.

Wilwood’s attention to detail in machining and finishing ensures a reliable, corrosion-resistant component that maintains consistent performance over time. The combination of lightweight materials and robust construction makes this master cylinder a dependable choice for both street and performance driving.

Installation & Fitment

The Wilwood Compact Remote Flange Mount Master Cylinder is designed for straightforward installation in a variety of brake system configurations. Its remote flange mount allows for flexible placement, which can simplify routing of brake lines and integration with existing components.

No special modifications such as cutting, drilling, or tuning are required for most installations, making it a convenient upgrade or replacement part. It is compatible with many pedal assemblies and brake booster setups, but it is recommended to verify fitment with your specific vehicle and brake system design before installation.

• Compact size facilitates installation in tight engine bays or custom brake setups.
• Remote flange mount provides versatile mounting options.
• Designed to work with standard brake lines and fittings.
• No cutting, drilling, or special tuning required for typical applications.

What's Included

• Wilwood Compact Remote Flange Mount Master Cylinder with 7/8" bore
• Machined billet aluminum finned reservoir
• Mounting flange and hardware for remote installation
• Seals and internal components pre-installed for ready use
• Installation instructions

Ideal For

This master cylinder is ideal for:

• Hot rod and custom car builders seeking a compact, stylish brake component.
• Performance enthusiasts upgrading brake systems for improved pedal feel and modulation.
• Racers requiring reliable, lightweight master cylinders for tight engine bays.
• Street drivers who want a durable and visually appealing brake system upgrade.
• Anyone needing a versatile master cylinder with flexible mounting options.