904 build. Where to get kits?

i order 904 rebuild kit from here:
https://www.700r4l60e.com/store/home.php?cat=8

those kits including trans- go shift kits 1,2, or3, kolene steels,red alto direct clutches,front band, and everything else what you need your overhaulin.
I think that price is ok. (read: less expensive)