Beefing Up an A500

TrailBeast said
From what I have seen the 2300 stall works really nice for these transmissions in cars, and there are apparently some different valve bodies, but I'm not up on what they are.
Sorry.

So to recap, the 500 comes in both LU and non LU?
Can it also use that kit (518 kit) above to mount in the car as well?