Need help ASAP for wheel set up..

[Angel71]

I want to do a aggressive set up on my X6.. MY question is, can I fit this on my X6??
Front wheels 20x10 25 ET with tires 275-40-20
Rear wheels 20x11 18 ET with tires 315-35-20

Please help.. the wheels are a concave style, has anyone done this set up. Thank you for any info...