Mitsubishi has stopped making the 5th gear set if I remember right so what's out now is all there is you might try calling Jack's or tre to see if they have any left. Iv been trying to find a evo3 5th gear set also and haven't found any yet
I disagree if you have the extra cash it's a very worth while upgrade, have it done to my car and love it, and only spent about $1100 on everything rockauto has some great rotors for a decent price and can pick up the break lines from their also
Depending on the miles 3900 isn't to bad of a price especially sence its an shp model, they are fairly reliable, after market parts are expensive for that motor like if you wanted to do any upgrades. And bout the only thing I would really say to look for is rust on the rear wheel wells, those...
Iv got one on my car and I like it. my father in law has a body shop so I modded my dp to a v-band flang and am pleased with how it fits and cam out ill post up a pic in abit