Thread Size: 1 8 27 npsf (1), 10 X 1,25 (3); Material: Grey Cast Iron, Cast Iron; Piston Diameter [mm]: 19,05; Version: FL, F-L; Construction Year to: 11/1972, 06/1973; Construction Year from: 01/1965, 05/1973; FIAT: 500 Limousine,500 Kombi; 4218319, 4188535, 4218319, 4270673, 7611100, P07006; Brake Master Cylinder,Master Cylinder, brakes