Help! Gearbox recommendations

Hi guys, i heard Aussies are the masters of this combination
Car: Nissan Safari tb42 y60
Engine: chevy LS3 6.2 litters
Clutch system: mac load mega force
Ls3 to gear box connector 4200 and 4500
My question is, what gearbox and bull bearing will work the best for this?
Thanks for your time helping me out

Intro would have been nice,,,,, polite and all,
so welcome to the forum, plenty of PPl use the STD box behind
a LS3.
You could try Marks Adaptors or @NissanNewbie.
most components are very tough,
whats the build for mainly weekend weapon