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Anyone have a NOS Mc30 piston at .005 over?
I could also use the 40/45/90 version as well if no 30 is available. The difference is the 30 piston has no ring pins and the gap for the rod is narrower than the later versions. The skirt should measure 2.165" and these are full skirt pistons, not 9 port style.
Steve O'Hara
