I was looking at a set of stainless valve made by Eaton for $80 for 2.19 and 1.88. Are they any good? I saw them on eBay.
http://cgi.ebay.com/ebaymotors/aw-cgi/eBayISAPI.dll?ViewItem&item=502401518
http://cgi.ebay.com/ebaymotors/aw-cgi/eBayISAPI.dll?ViewItem&item=502401518