Thread Size: 1/2 20 UNF (1); Material: Grey Cast Iron; Piston Diameter [mm]: 25,4; Single/Dual Circuit Brake System: 1-circuit brake system; for article number: 1206; Braking System: for vehicles without brake booster; PEUGEOT: 404,404 Cabriolet; P11100, 0851958200, 0854166100, 460111, 460182, 95573887; Brake Master Cylinder,Master Cylinder, brakes