Ferrari Part Number 101415, BRAKE BALANCE VALVE F/R 365GTB4 ( USED NO INTERNALS ) shown here as used in Ferrari 365 GT4 2+2 Table 31 Brake Hydraulic System On Wheels. Location in Diagram: 8. Required Quantity: 1. This Ferrari part is used in more than one diagram. Click on the diagrams below to see alternative uses of this part: