1977 VW Bus - webwrench
valve stem ends cylinder 2. Note the polished section in the top left quarter of the exhaust valve. This looks like it has taken a lot of wear. though I can't think from what.

valve stem ends cylinder 2. Note the polished section in the top left quarter of the exhaust valve. This looks like it has taken a lot of wear. though I can't think from what.

20130529204612