Tall and short I think.

Tall give you more RPM in a gear, suitable for track. Short is like close gear ratio suitable for drag.

Hey are you guys talking about dry and wet clutch? No idea if car has any wet ones but for motorcycle technology, wet is norm and dry is more for racing application such as the honda PGM4 and ducati 998. Never really heard of a wet clutch for car hey..

Brembo is the answer.

I think the HKS drag uses the 2 way LSD and my GTR34 600kw drag combat uses them too. Pretty good at taking off.... but not sure if ur car need it

1.5 way LSD should do the job.
Get rid of the 4 wheel steering if you have any. Nissan call them "HICAS"

Ni kan de tong ma?

Get an aftermarket HID conversion kit. Cost about $16000