727 Trans Brake, plug park gear supply?

I am installing a used griner trans brake. part # unknown ( can't find any numbers).

Will it need to have the park gear supply plugged?

Also who carries a vent to relocate in the rear of the case?

http://www.crtteno.com/crttranstech.htm

Scroll down to see park gear plug. John Cope can supply you with the vent.

http://www.coperacingtrans.com/


John