rear disc brake conversion

hi all,,,,im new here...ncie to meet u guy
i have some question about the rear disc brake for my 90 civic Si

for the 90 civic si....any yr of integra or CRX's rear brake disc would be able to install to my 90 civic si?


i heard so many opinion....but dont know what yr of parts i may get...

need help...^^

thx a lot