Shoelaces, pop one off at the track, just replace it
Gates stock replacement is literally exactly the same as the Nissan one. With different branding. I think they make the oe ones
Just paint the whole disc, couple of hard brakes and all the paint on the surface is gone and then you have perfectly painted rust free rotors without the f**k around of masking and shit yo!
95, chuki models had S1 front, s2 engine, S1 interior with early drivers airbag wheel and s2 wing. Sounds like your mate probably just had an S1 with an S2 front end & engine swap.