S4 Quattro Sedan V6-2.7L Turbo (APB) (2000)
Brake Master Cylinder: Specifications
Teves
Brake master cylinder piston diameter mm (in) .......................................................................................................................... 23.81 mm (0.937 in.)
Double Piston
Brake master cylinder piston diameter mm (in) ............................................................................................................................ 2.54 mm (0.999 in.)