J30t fstb & vg30de performance upgrades

if you have any idea where i can get a front strut tower brace from for this car PLZ let me know!!! also if you know that the fstb interchanges from another car!!!
i'm also looking for motor upgrades. i know about the jwt ecu upgrade but i'm intrested in injectors, tb, maf, nitrous (which is the best kit?)
if you know of any sites for the n/a 300zx w/ prerformance mods or a site- all info is greatly appriciated!!!
thanks
Brian