upgrades

i saw on driftmotion that they make adapter brackets to fit dual piston cobra brake calipers bolt onto mk3 supra hubs... does anyone know if i would have to upgrade master cylinder?? or will stock master work?

hello, im kinda new to the the supra and im working on my head and want to find a metal headgasket and other parts to upgrade on my 7MGEbut i dont known any good websites to look at. Any suggestions? Thank You.