72 C20 - Brake Booster/MC Replacement Options

[ItWillBeSlow]

I am currently restoring the firewall/underhood area of my truck. Truck is a 72 C20, front power discs.

I see GMCPauls sells this as a combo - who else provides all three components "turn key", including brackets for a fairly easy swap?

I thought I saw a forum member here a while back that supplies this setup, however I can't find a thread. Any input or experience is appreciated. This is a project I would rather buy as a unit to bolt in if possible instead of sourcing individual components myself to save a buck.

PS: I don't think my current booster is the OE delco, so I am assuming its not worth the price to have it refinished, truck will be a nice driver.