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Different piston types?
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04-24-2008, 11:52 PM
Cruiser
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Join Date: Jul 2006
Location: Jim Thorpe Pa
Posts: 1,280
The a, b, c, etc is very slightly bigger,, and does not require boring/plating. These are to keep the tight clearances as the cylinder wears.. I think they were like,,, .0005" difference?
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