Ferrari Part 3.6023.4018.3 Relief Valve Brake in Ferrari 365 GTB4 Daytona (1969) (Mechanical Table 029 Brake Lines System)

Ferrari part number 3.6023.4018.3, RELIEF VALVE BRAKE, shown here as used in a Ferrari 365 GTB4 Daytona (1969) (Mechanical Table 029 Brake Lines System).