Brake Booster combo

[glider_6969]

Hi all,
Looking for some advise on where or who has a good power brake booster/master cylinder combo kit for drum front and drum rear brakes.
What I am looking for is the whole set up. I do currently have power brakes but not real happy with the set up.The truck does stop much better than non power but sometimes I find brake fluid seems to get forced out of the master cap. The booster I do have now is a bit old and not real appealing and I am not real sure what year of truck it came out of. I got it free from a friend of mine (the price was right) at the time. I have seen alot of combos on this site, just looking for more details. Hopefully the picks give a good idea of what I already have. Any help would be great, and thank again.