Wangofree
Coast to Coast
Hard to find CB350F petcock. I've got it on eBay if interested:
http://www.ebay.com/itm/331506974709?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
http://www.ebay.com/itm/331506974709?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649