1980. 4 x Female 3/8" UNF Brake Pipe Unions. 2 x Double Male 3/8" UNF In-Line Joiners."/> 1980. 4 x Female 3/8\" UNF Brake Pipe Unions. 2 x Double Male 3/8\" UNF In-Line Joiners."> 1980. 4 x Female 3/8" UNF Brake Pipe Unions. 2 x Double Male 3/8" UNF In-Line Joiners.">
3/8" UNF Unions are typically used on British cars PRE> 1980. 4 x Female 3/8" UNF Brake Pipe Unions. 2 x Double Male 3/8" UNF In-Line Joiners.