Roush 180 heads

I am interested in the Roush 180 heads but can't seem to find a part number or vendor. Anyone have any ideas?

I don't see cylinder heads on his website. Maybe he doesn't make them anymore. Call these guys in Nashville, they are Roush dealers......
Xtreme Liners of Tennessee, Inc.
1911 Nolensville Pike
Nashville TN 37211
P: 615-251-0989

http://www.roushparts.com/

Thanks...I will look into it.