Not really! Depending on the year the block could be a F54 which is the same as the turbo engine. As for the head, it will not be a P90 or P90a but you could have P79 head which can be used depending on your build.
Starter, alernater, distributor can all be used interchangeably. Only some 83 ZX cars came with T5 Transmission. If it has a 5 speed then it should be the short through transmission that most people want. So depending on how much you pay for it and what your build is, it might be worth it.