brake upgrade

Good day The brake booster on my s14a is not working. I tried using an r33 GTST brake booster but that booster is faulty. Currently where I’m from (Trinidad and Tobago) my options are an r33 GTR and the s15 Brake booster. Which booster should I use? Or what is the recommended brake booster...

Brembo 322mm big brake kit from nissan s14a. Will fit various other nissans. Whole setup brand new december 2016. Comes with used discs and pads with plenty of life left, custom HEL braided lines to suit brembo fitment. Bolt on directly with no modifications with the brackets and bolts included...

I've just bought some 5 stud hubs for my S13 and an R33 GTST brake setup to go with it. After watching a video in which a guy did a conversion and appeared to mount Z32 calipers directly onto the stock S13 knuckles without any adapters, I'm just wondering exactly what I'm going to need for...