This is our Standard Retube Kit for the Dr Z. Galaxie. The kit contains a matched pair of the JJ 6L6GC's, a JJ 5U4GB and three JJ ECC83S's with one being current balanced for the phase inverter in V3.
All you need to adjust the bias on your amp is a bias probe and a multimeter or the Eurotubes "Pro One". All of these are are available in the "Related Products" tab. You can use the Generic bias video we did on a Marshall 800, the procedure is the same. The video below explains the difference between bias probe types.