The Wilwood Part Number wil260-8555-BK is a high-quality tandem aluminum master cylinder designed for a variety of automotive braking systems. Crafted from high-pressure die castings, this master cylinder weighs only about 3 pounds, offering a substantial 75% weight reduction compared to traditional cast iron units, which enhances vehicle handling and reduces overall weight. Its durable black e-coat finish provides corrosion resistance and a sleek appearance suitable for performance applications. The master cylinder is available with a 1-inch bore size, ideal for both manual and power-assisted brake systems, and includes a pushrod for manual applications. It features a stroke length of 1.10 inches and a fluid volume ratio of 2:1 between primary and secondary chambers, promoting balanced braking performance.
Features:
- Bore Sizes: Available in 1.00 inch, 1-1/8 inch, and 7/8 inch for manual and power brake systems.
- Material: Machined from high-pressure die cast aluminum for strength and lightweight performance.
- Finish Options: Comes in plain, ball burnished, and black e-coat finishes for corrosion resistance and aesthetics.
- Compatibility: Designed for mount flanges from 3.22 inches to 3.40 inches, suitable for most domestic cars and trucks from the mid-1960s onward.
- Fluid Ports: Fluid outlet ports located on both sides of the bore for flexible installation options.
- Application Versatility: 7/8 inch bore for manual brakes, 1 inch for manual and power-assisted systems, and 1-1/8 inch primarily for power brake applications.
- Additional Components: Compatible with Wilwood's combination proportioning valve kits, which include brackets and stainless steel lines (see PN 260-13190 or 220-13189 for retrofit).
