The dash... wel is not made as far as i n know, granted, a carbon fibre dash doe snot do anything peformancewhise, or timeoriginal whise in my opinion, so i never looked into it, as for the rest
bring out the welder and sheet metal ...!
check my site for some ideas, i used flares of a 86 z31, as i like the subtilenes ( much like a 350 i came to discover when one was parked next to my project)
But in fact you can use any wheelwell of any car ( hobout 944 style)
I also got my hands on a Gnose !! not bad at all on a ZX
As for teh tails, i built in R32 GTR Skylines units. and shaved the whole bumber, I have no clue if i went right about this yet, only time will tell, but it is doable, ( only look at what blue oval did!)
http://www.datsun280zx.tk