Identify this M/C Booster setup

[Sargent67]

I am building a 67 Camaro with Wildwood brakes at the 4 corners. I came across this picture of the M/C booster being used with Wildwood, but not sure who to contact for questions and purchase.
With all the experience here, I was hoping someone could guide me in the right direction.
Thanks again

[tumper93]

That car was built by DSE and is a standard dual diaphragm booster that I believe they sell for Camaros. I have looked for the reservoirs since I first saw the build and never found any. Would love to find out where to get them