Sunset Porsche in Oregon,
Sunset Porsche | Genuine Porsche Parts
The probably don't list it on their site as conveniently as suncoast, but if you email them they can provide price and availability. I got a quote from them a while back on ROW M030 for 986S.
Steve
Edit: here is the correct parts website:
http://www.************************************************************************.com/
The previous link does take you right to the email though.