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This listing is for Wilwood High Volume Tandem Master Cylinder - 7/8in Bore Black-W/Pushrod

Part Number 260-9439-BK

When you see that famous Wilwood logo behind your wheels, you can be confident that your brakes will respond to the most challenging conditions with race-refined performance. Wilwood rotors, calipers, and brake pads are engineered to excel under harsh, high-temperature race conditions while reducing unsprung weight, and you can precisely tune your brakes to your application and driving style with numerous pad formulations and rotor designs. You can also put Wilwood engineering to work on the rest of your braking system, with master cylinders, proportioning valves, braided stainless steel brake lines, pedal assemblies, and complete front and rear disc brake kits.

Wilwood's 7/8" or 15/16" bore Tandem Aluminum Master Cylinders available in 3 finishes, plain, ball burnished, and black e-coat. These master cylinders are designed primarily for manual applications and include a pushrod. 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 combination proportioning valve kit, which includes brackets and stainless lines specifically for use with this master cylinder, see PN 260-13190, or 220-13189 for retrofit kit.

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