You can get hydro hand brake which will lock and i'v been told they will pass the nct.
Thats new to me i didn't know that at all ya learn sumtin new every day!!
u will need cables from a 32 180 ones will not do
s13 handbrake cables should do the job, they worked on mine anyways.
Get Hydrolic ted just as good have cables here do for them calipers if you need eny