Little late to chime in on this one but ... two big differences: round vs. flat for fit and the retainer that comes with the piston is much, much stronger metal.
Carl R. Davis 2823 S. Rocky Hill Road, Galena, Illinois, USA 61036 750E, 750F, 10121, 105.62, 115.01, 115.41S4 -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected]
