3/8"x24 thread, for the majority of high Pressure pipes.

Part Name: Male Brake Pipe (Brake Line) Union, Plated Steel AlfaStop Product Code: 9BRG106 Original Alfa Romeo Part No: 1365.64.020 Model: Guilia 101 Series, Guilia 105 Series, Giulietta 750 & 101 Quantity Per Car: As Required