first off if your looking on ebay look for someone that has done alot of business and is selling a reputable name brand clutch, 2nd if it is too good to belive then it probly is,

you might want to look into a motor swap if your gonna do the clutch, labor for a clutch is exact same as for the engine swap and a few hundered for a zc engine

then you know what he car has in it
?? imo