Ta22 celica master cylinder is what i used, think thats what maddat use also(some kinda toyota one anyway) then have a removable res and you can just put a banjo fitting on it for the line to the remote filler...so yes you need a remote filler too, get something off a bike as they are nice and small
Can make a bolt on bracket i guess, easier to pull the pedal box out and weld the bracket onto it though i'd think

i just ran a normal rubber line from the res to the master. then normal brake line from the master down the inside of the firewall then cut a hole at the bottom of the firewall for it to go through straight onto flexi line

yeah the pedal i made fits the toyota master, pretty sure i used the standard pushrod from the toyota master too