"Paul" <sqpilot@bellsouth.net> wrote:

"""
 Hi, Marvin....according to Racing Beat, their "Flame sprayed carbide material
durability exceeds stock cast iron housings".  For more info, see
http://www.racingbeat.com/resultset.asp?PartNumber=11061.  Paul Conner
"""

Thanks, Paul... I should have looked there before asking the question.  It's good to have gotten the link on The List, though, as other folks looking for the solution might stumble across it during an archive search.  Thanks again.
  
  <marv>