I’ve seen many parts swapped on various different zokushas and by far the tail light swap is the most popular. For instance: on this normal looking 280ZX you really wonder why it is featured as a zokusha:
Nissan 280ZX with swapped tail lights
But at the rear it is a totally different car:
Nissan 280ZX with Skyline C210 tail lights
Personally I’d favor the C210 tail lights! 
Not only this early fiery kaido racer Luce RX-4 is awesome, also the Skyline GT-R KPGC10 behind it is just as equally awesome!
Luce RX-4 and Skyline GT-R
Found at [I love S30]
A Nissan Skyline GC211 GT-EX Turbo with fender flares, deep dishes and R30 style liverage can never be wrong!
Nissan Skyline C211 GT-EX turbo
Right-click here to download or set it as your wallpaper!
Kyusha kai Nissan Skyline KGC110
Right-click here to download or set it as your wallpaper!
Found at [Jimny1962]