Wilwood Aluminum Tandem Master Cylinder, 1 inch Bore, Black E-coat SKU: 260-8555-BK

Wilwood Aluminum Tandem Master Cylinder | 1" Bore

Versatile Braking Power. Lightweight Performance. Clean Finish.

Get precision braking performance for your custom build with the Wilwood Aluminum Tandem Master Cylinder, featuring a 1-inch bore and sleek black e-coat finish. Engineered for flexibility, this master cylinder is perfect for both manual brake systems and power-assisted setups, giving you reliable stopping power no matter your build. Please note: pushrod is not included.

Crafted from high-pressure die-cast aluminum, it’s 75% lighter than stock cast iron cylinders—just 3 lbs! Designed for mount flanges between 3.22" and 3.40", and with dual fluid outlet ports on both sides of the bore, this master cylinder offers exceptional versatility and a clean installation. Whether you're upgrading your Bronco, truck, or hot rod, this Wilwood unit is built to deliver consistent, confident braking every time.

• 1" Bore Size: Ideal for many manual and power brake systems

• Lightweight Aluminum Build: Weighs only 3 lbs. — a 75% weight savings over cast iron units

• Flexible Fitment:

  • Fits flange mounts from 3.22" to 3.40"

  • Dual outlet ports on both sides for custom plumbing

• High-Performance Design: 1.10" stroke with 2:1 chamber volume ratio

• Black E-Coat Finish: Clean, durable look for your engine bay

• Pushrod Not Included: Use with existing or custom pushrod for your setup

• Trusted Wilwood Engineering: Race-proven reliability and precision

Enjoy powerful, reliable braking in any setup with this lightweight Wilwood 1" Bore Master Cylinder—perfect for manual or power brake builds!