Hemi 6 245 & 265 Crates

Hey everyone!

I've searched the forums trying to find any kind of information on these crates, but haven't found a thing.

I was goofing around doing some research on the E49 Chargers, when I found this:

http://www.hemiperformance.com.au/store2/index.php?act=viewCat&catId=197

Has anyone had any experience with these? Could you point me in any direction? Has anyone been able to get one into their north american A-body?

I appreciate any and all help you could afford me.