Can someone please give the specification?  I have a set of like new shiney cast pistons, with three that seem to have pins which are too loose.  The pin slides through the piston at room temperature, only hanging up out toward the clip locations. 

Mike, located in the Siskiyou mountains, Southern, OR 292 powered 1946 Ford 1/2 ton, '62 Mercury Meteor, '55 Country Squire (parting out), '64 Falcon, '54 Ford 600 tractor.