yeah mate u'l need..... guards, guard liners, indicators, gtr front bar (gtst wont fit) , gtr bonnet (to match bar), new bonnet latch and bracket, budget for 25mm bolt on spacers for wheels ( bout $4-500, normal plates spacers and giant studs may work but a bit dodgy) unless u can get gtr wheels, but unless u do back, u wont have matching rims, and gtr rear wheels are too fat with gtst guards. Ull need new side skirts gtst wont fit, unless u modify em a bit.
So pretty big job.. but looks cool.
Dont think theyr are too many that have done the whole job. But after u add up the costs ( i did mine all original), even though parts are a bit cheaper now, an 89 GTR would b very close to the price after selling ure own car. And then remember a front end respray so they all match and a blend into the doors.
Will