IF your Trans Am or Camaro is one of those fitted with the special performance PBR 4 piston calipers.. different disc rotors to others etc.....
Bore Diameter (N) |
24mm |
Primary Port Size |
M11 x 1.5 |
Secondary Port Size |
M12 x 1.0 |
Then this is the master cylinder you must use... only for 89-92 Trans Am & IROC.. particualarly but not limited to the very top of the line Camaro or GTAs.
These were originally made in Australia by Girlock under strick GM License to the Manufacture of all the Camaro & FIrebird series designed for.