The Wilwood Part Number wil260-13375-BK is a high-quality tandem master cylinder designed for manual brake applications in a variety of vehicles. Featuring a 15/16 inch bore diameter, this master cylinder is engineered to deliver consistent and reliable fluid pressure for enhanced braking performance. Machined from high-pressure die cast aluminum, it offers a significant weight reduction of approximately 75% compared to traditional cast iron cylinders, making it ideal for weight-sensitive builds. The cylinder includes a pushrod and is compatible with mount flanges ranging from 3.22 to 3.40 inches, a common measurement for most domestic cars and trucks from the mid-1960s to current models. Its fluid outlet ports are located on both sides of the bore, facilitating versatile plumbing options for custom brake setups. The stroke length is set at 1.10 inches, with a volume ratio of 2:1 between the primary and secondary chambers, ensuring efficient brake pedal feel and modulation. Available in three finishes*plain, ball burnished, and black e-coat*the black version provides a durable, corrosion-resistant surface suitable for various environmental conditions. This master cylinder is ideal for street rods, muscle cars, and other automotive projects requiring high-performance braking components. For complete brake systems, Wilwood offers a corresponding combination proportioning valve kit, which includes brackets and stainless lines specifically designed for use with this master cylinder, ensuring seamless integration and optimal performance. Whether upgrading existing brake systems or building a custom setup, this master cylinder offers reliable operation, lightweight construction, and versatile mounting options to meet the demands of modern and classic vehicles alike.
Features:
- 15/16 inch bore diameter for high-volume brake fluid flow
- Constructed from lightweight high-pressure die cast aluminum
- Includes a pushrod for easy installation
- Compatible with mount flanges from 3.22 to 3.40 inches
- Fluid outlet ports on both sides of the bore for flexible plumbing
- Stroke length of 1.10 inches for optimal pedal feel
- Volume ratio of 2:1 between primary and secondary chambers
- Available in three finishes: plain, ball burnished, and black e-coat
- Designed primarily for manual brake applications
- Lightweight at approximately 3 pounds, offering significant weight savings over traditional cast iron cylinders
