I checked tweeks and sure enough only 350 bones.
Anyone have any pics with them on a box with 18"?
Check out
http://www.rentawheel.com
it is a cool site. you can see what your car would look like with different size/style rims and raised or lowered by 3-4 inches. It's kinda funny when you put 14 inch rims and raise it 4 inches. LOL.