Z-Racing in Anaheim has always been great to work with. You can call them directly @ 714-449-1271.
I'm not a big fan of Eric's in Pasadena. He's the guy who sold me my 2002 with no impeller in the water pump. His solution after the engine fried (within 10 hours) was to provide me with an impeller and charge me to install it. Left me holding the bag as far as rebuilding the engine was concerned. Somethin' not right about that...
~ Ken