I use an Mazda MX5 6 speed gearbox behind a 4age, I had a problem with the position of the gear lever(too far back) so I used an Mazda RX8 extension housing that moved the gear lever 160mm further forward and fixed my problem, basically the RS200 Alteza, MX5, RX8 and S15 use basically the same gear box made by Asian, this allowed me to mix and match to suit what I needed.