Wilwood High Volume Tandem Master Cylinder - 1 1/8 inch Bore, Black

Wilwood’s Tandem Aluminum Master Cylinder is available in 2 bore sizes 1.00” and 1-1/8”; and 3 finishes, plain, ball burnished and black e-coat. 7/8” bore master cylinders are designed primarily for manual applications and include a pushrod. The 1” bore can be used in manual and power assisted applications and does not come with a pushrod. The 1-1/8” bore is designed for use primarily with power brake applications, either from vacuum assist or hydraulic assist systems. They’re designed for mount flanges from 3.22” to 3.40”, common measurements for most domestic cars and trucks from the mid 1960s to present, and offer fluid outlet ports on both sides of the bore. The stroke is set at 1.10” with a volume ratio of 2:1 between the primary and secondary chambers. Machined from high-pressure die castings, each master cylinder weighs only 3lbs, a 75% weight savings over most cast iron OE type master cylinders. We also offer a our combination proportioning valve kit, which includes brackets and stainless lines specifically for use with these master cylinders, see PN 260-13190, or 220-13189 for retrofit kit.

The Wilwood High Volume Tandem Master Cylinder, part number 260-8556-BK, offers reliable braking performance for a variety of automotive applications. Crafted from high-pressure die castings, this master cylinder weighs just 3 pounds, providing a significant 75% weight reduction compared to traditional cast iron units. Its durable black e-coat finish not only enhances corrosion resistance but also adds a sleek aesthetic to your vehicle's brake system. Designed primarily for power brake setups, the 1 1/8 inch bore size is ideal for use with vacuum or hydraulic assist systems, making it suitable for modern and classic cars alike. The master cylinder features fluid outlet ports on both sides of the bore and a stroke length of 1.10 inches, with a primary to secondary chamber volume ratio of 2:1, ensuring consistent brake pedal feel and performance.

Features:

• Bore Size: 1 1/8 inch for power brake applications including vacuum and hydraulic assist systems

• Material: Machined from high-pressure die castings for strength and lightweight design

• Finish: Black e-coat for corrosion resistance and aesthetics

• Weight: Only 3 pounds, offering a 75% weight savings over traditional cast iron cylinders

• Fluid Outlet Ports: Located on both sides of the bore for versatile installation

• Stroke Length: 1.10 inches for consistent brake pedal feel

• Chamber Volume Ratio: 2:1 between primary and secondary chambers for balanced braking performance

• Mounting Flanges: Compatible with common flange measurements from 3.22” to 3.40” for most domestic vehicles from the 1960s to present

• Includes: Pushrod for manual applications with 7/8 inch bore variants, and suitable mounting hardware

• Finish Options: Available in plain, ball burnished, or black e-coat to meet aesthetic and corrosion resistance preferences

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1