261-15666-BK Wilwood Compact Tandem Master Cylinder for Mustang Pushrod

Diagnosing common brake system issues such as mismatched bore sizes, leaking fluid circuits, or un-adjustable rear pressure balances often results in erratic braking behavior and vehicle pulling under heavy load. This Wilwood Compact Tandem Master Cylinder, featuring a 1.12-inch bore size, is engineered to eliminate these problems by providing independent hydraulic circuits that ensure complete fluid separation between front and rear channels. Its precision design guarantees consistent pedal feel and reliable braking performance across a variety of classic Mustang applications and fleet vehicles.

Constructed from high-quality materials with a durable black finish, this master cylinder is optimized for high-performance automotive use. The inclusion of a right-hand bracket and integrated valve allows for seamless installation and adjustment, ensuring proper pressure distribution and preventing premature rear-wheel lockup. Its compact form factor makes it suitable for tight engine bays and custom setups, while the industry-standard 1/2-20 inch outlet port size facilitates straightforward plumbing connections. This part is ideal for professional mechanics and fleet operators seeking a reliable upgrade to improve braking safety and control.

Refer to our comprehensive installation resources to ensure correct setup and calibration. Check your vehicle’s plumbing clearance, line fitting sizes, and pedal pushrod thread spacing prior to ordering, as custom bracket configurations vary widely across different classic and fleet assemblies. Regular maintenance and proper adjustment of the integrated proportioning valve will enhance system longevity and safety, especially under heavy-duty conditions. Trust Wilwood’s proven engineering to deliver the performance and durability your fleet demands.

Features:

• Bore Diameter: 1.12-inch bore size

• Outlet Port Size: 1/2-20 inch INV thread

• Application: High-Performance Automotive and Fleet Use

• Installation Resources: Click Here for the Master Cylinder Installation Guide