The kit is for sale and includes:
InlinePRO Differential Billet Mounts
Driveshaft Shop Level 5.9 Pro-Series axles (with hubs and extended studs)
Driveshaft Shop Driveshaft
R200 differential from a Nissan 300zx 96'non turbo(Japanese spec)
Stock viscous lsd
The kit is in VERY good condition and it is amazing for any supercharged/turbo s2k.
The R200 uses a 4.08 gear, which is real close to the S2000 4.10.
It is bolt on kit. No need for modification.

Price: 2900euro-2600GBP (new it cost me a lot more than that with shipping cost,customs,r200 diff,lsd)

PS: I also have a quaife lsd for this differential. In case someone is interested to buy this lsd with the kit please pm me.

http://img213.imageshack.us/i/p9300384.jpg/

http://img411.imageshack.us/i/p9300398.jpg/

http://img94.imageshack.us/i/pa050407.jpg/