I don't want to sound like the internet police, but you'll probably need to
a)
Do a bunch of searching.
viewtopic.php?f=37&t=37274viewtopic.php?f=5&t=5328viewtopic.php?f=5&t=37544viewtopic.php?f=5&t=37222viewtopic.php?f=5&t=35303B) Maybe post this is the noob section. This section is for people to show/discuss what they've made
C) Give us a bit more information about what you would like to achieve. It looks like you are looking for
any replacement seat. One of the things you are going to have to consider is that, if I'm right, SJ40's have a kind of parallelogram tilt mechanism for the passenger side, with no facility to slide the seat. From memory, you can bolt 1.3 seats onto that base but it sits the seat quite a long way forward and high, this might be a problem for you.
Steve.