I got some SCC Super Z cable chains (part #LT853 for stock 315/70/17). They seem to have a wide range of sizes:
http://www.scc-chain.com/Pages%20Tra...oducts/zt.html. I ordered them on line from Vulcan. The reason that I went for the SCC chains is that fitting appears to be very easy and clearance is good.
Thanks,
Mark