I'm getting ready to drop the tank on my '68 Crown. It definitely needs to be boiled out. So I'll be needing both a new filler neck "O" ring and a new sending unit gasket. Would somebody be so kind as to direct me to a known source for these items, or at least provide me with parts numbers so I can search for them myself? Thanks in advance. K. P.S.- Anybody see the '68 being parted out and sold in pieces on eBay? The guy is offering some pretty choice stuff.