Originally Posted by Karlos G

Ratio's are almost identical to an RST, low mileage ones (sub 50k) can be found for about £30.

Pick up a 1.3 Ka box, a non turbo van box, send them to me with an RST box or LSD on it's own and I'll build you one for £100
If anyone is running a ZT and hydro clutch then the van box isn't needed as the Ka casing is rear starter and hydro clutch.