Search:

http://www.tomson.com.pl/product--32-ATB-Differential-for-Renault-Clio-III-Sport-197-and-200-KM.html
This one which supposedly fit our car was made for the ford focus RS (300bhp) so that's a hard...

And oddly enough the repair parts have the same part numbers

Specs .. It actually says RS5F91R 1.5way / RS5F92R 1way
But all the specs are the same..

No clue. The rs6f94r would be good to look at especially if the guts fit inside our 5f91r casing.
This is still new unventured territory. Heck, there could still be differences internally that make...

http://www.nismo.co.jp/en/products/competition/lsd/pdf/repair11.pdf
1.5 way mechanical lsd rs5f91r (FD 4.066 so basically same as stock )
1.5way $1410USD TOMEIusa NISMO the 1way is $2100
...

They just released the part last year so I doubt there will be a used one yet. Try upgarage maybe?

I've been looking into it and from what I can tell so far none of the compatible stock transmissions came with LSD.
The mechanical 1 way for the E12 Nismo S ( hr16de model) uses the same gears and...