Wilwood 261-13270-BK Tandem Master Cylinder Kit with Bracket and Proportioning Valve

Upgrade your braking system with the Wilwood 261-13270-BK tandem master cylinder kit, designed for reliable hydraulic performance in performance, street, and custom vehicle applications. This complete kit includes an aluminum tandem master cylinder, mounting bracket, and proportioning valve to support a clean, organized installation and improved brake system control. The integrated reservoir helps simplify plumbing and maintenance while providing a practical solution for applications where space and accessibility matter.
The master cylinder features a 1.125-inch bore and 1.100-inch stroke, delivering responsive pedal operation and consistent fluid displacement when paired with a properly matched braking system. Its lightweight aluminum construction helps reduce unnecessary weight, while the black painted finish provides a durable, professional appearance suitable for engine bays and chassis installations. The tandem design offers separated hydraulic circuits for added system security and dependable braking performance.
This Wilwood master cylinder kit is a practical choice for builders replacing an existing unit or assembling a custom brake system. The included bracket and proportioning valve help streamline installation and enable brake bias adjustment for specific vehicle configurations, tire combinations, and driving conditions. Confirm bore size, mounting requirements, pedal ratio, reservoir clearance, and hydraulic compatibility before installation to ensure proper system performance. The Wilwood 261-13270-BK is supplied as a complete kit and is not air restricted or limited to truck freight.

Features:

• Brand: Wilwood

• Part Number: 261-13270-BK

• Product Type: Tandem master cylinder kit

• Bore Size: 1.125 inches

• Stroke: 1.100 inches

• Reservoir: Integral reservoir

• Material: Lightweight aluminum construction

• Finish: Black painted finish

• Included Components: Mounting bracket and proportioning valve

• Brake Circuit Design: Tandem hydraulic circuits

• Application: Performance, street, and custom brake systems

• Shipping Classification: Not air restricted and not truck freight only