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The Wilwood Tandem Aluminum Master Cylinder, 1-1/8 inch bore with ball-burnished finish, is a lightweight die-cast replacement designed largely for power brake applications. It features a 1.10" stroke, a 2:1 primary-to-secondary volume ratio, and dual outlet ports, while fitting standard flange dimensions (3.22"–3.40") common to many domestic cars and trucks from the mid-1960s forward.
Wilwood High Volume Tandem Master Cylinder - 1 1/8in Bore Ball Burnished
