There are two companies with 17 inch vintage reproductions which are very close in name. The first is Vintage Wheels US (
http://www.cobracountry.com/vintage/home.html ) and the second is Vintage Wheel Works (
http://www.vintagewheelworks.com/products/wheels/v60 ). The second offers sizes up to 11 inch for the rears you are looking for. I have a set of the V45's (9.5 up front and 11's in the back with 315 rubber) on my car and am looking to replace them with the V60's this coming season.
James