The manufacture just doesn't polish up the part of the lifter that doesn't need polishing.
The new lifters may need to pump up and you can get noise while they are pumping up which is some cases may take a little time. after the lifters pump up the adjustable pushrods (if you're using them) may need to be adjusted again.
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08 FLTR candy red sunglo,with 2015 103 HO, V&H Dresser Duals with Monster Rounds, Power Vision tuner, Willy Shiny Wheels and Forks and a bunch of other stuff.