Brembo 90-94 964 Carrera 2/89-94 964 Carrera 4 Rear GT-R BBK 4 Pist Billet 345x28 2pc Slot TY1 - NP

It is not mandatory for kit fitting, however, for 1990-1991 964 Carrera 2 vehicles originally equipped with 2-piston rear calipers, the proportioning valve in rear brake circuit can be replaced with version from 964 Carrera 2 and 4 cars originally equipped with 4-piston rear calipers for increased rear brake bias.