Topic: what is this part?

Somehow this part missed getting bagged and I don't recognize it. It has surface rust inside and out. One end is machined flat.

http://i40.tinypic.com/ixboee.jpg

http://i41.tinypic.com/11r7qpx.jpg

jim

'71 SB, '62 & 73 tintop buses & '72, '76 & '77 Westys,
PO of '65 Beetle in '69, '70 Crewcab & '70 Ghia in '77
'71 Super inside rear vents now available
http://www.openroad.ca/volkswebbin/view … p?id=85915