It will bolt into your chassis. However. I am betting (guessing) your Z has hydraulic brakes. The Pantera does not and the caliper will not bolt on to the case, making the case's different.
However, the guts from the reverse case will fit into your z case, just check the end of the bottom drive shaft that holds the bottom gear. Sometimes it is easier to swap the drive shaft if necessary. The outer cover with the shift lefer will bolt on. Modify shift handle to taste.
However, the guts from the reverse case will fit into your z case, just check the end of the bottom drive shaft that holds the bottom gear. Sometimes it is easier to swap the drive shaft if necessary. The outer cover with the shift lefer will bolt on. Modify shift handle to taste.