Wilwood 261-13269 1" Aluminum Tandem Master Cylinder Kit with Proportioning Valve

The Wilwood 261-13269 is a complete brake master cylinder kit featuring a 1-inch bore aluminum tandem chamber master cylinder, combination proportioning valve, mounting bracket, stainless steel fluid tubes, and all necessary mounting hardware. This comprehensive kit provides everything needed for a professional brake system upgrade in manual or power-assisted applications.

Master Cylinder Features:

• 1-inch bore tandem chamber design for superior pressure actuation and fluid control
• Machined from high-pressure die cast aluminum with bare aluminum finish
• Weighs only 3 lbs—75% lighter than cast iron OE master cylinders
• Slotted flange mounting compatible with Chrysler, Corvette, GM, and Ford Mustang bolt patterns
• Compatible with both manual and power brake systems
• Does not include pushrod (sold separately)

Complete Kit Includes:

• Combination proportioning valve with black E-coat finish for simplified brake bias adjustment
• Mounting bracket with black E-coat finish for durability and performance appearance
• Precision-bent stainless steel fluid tubes with pre-installed plated steel tube nuts
• Stainless steel button head mounting fasteners for rust-free longevity

The combination proportioning valve maintains complete isolation between front and rear fluid circuits while substantially simplifying wiring and brake proportioning adjustments on custom brake systems. The precision-engineered fluid tubes provide a direct bolt-on connection between the proportioning valve and master cylinder for clean, professional installation. Simply mount the assembly, connect your brake lines, bleed the system, and enjoy reliable, high-performance braking.