If you're not in a hurry I have a gbody parts brake set up I paid 300 for. It has 150 miles on it. My car is in for a frame off so I can't pick it up until next week. $200. Booster painted black.
I'm selling this one in the for sale section was on the car for about a month. Practically brand new. $115 shipped! double diaphragm booster. Larger piston master cylinder.
I have one if you're still interested. Complete with correct pedal. The sleeve that goes through the firewall has deteriorated and cracked, but otherwise in good shape.
we have the kit complete with brake pedal vacuum block new master cylinder rebuilt booster etc on sale this month plus you send in your PM unit its worth $100...
can't member the sale price think its $350
again everything you need.....except the skill to install it.