This kit is just the normal Akebono calipers, but with a Z1 logo:
https://www.z1motorsports.com/big-br...f27a00f50b41cb
The competition package looks interesting
https://www.z1motorsports.com/big-br...01ecf9220ed527
Built in temp monitor and a sort of finned heat sink shape to the calipers - i've never seen that before, wonder where Z1 got that from