440 Source Stroker Kits

Could be any of them. Pastigage won't show it. With a mic you have to measure each journal in both axis in two spots each. (4 measurements in total per journal) Factory spec for taper is under .0005 is fine. For a high horsepower engine that will only just do it. There should be no taper. Zero. The issue is there because the polishing step is done to bring them into final spec, rather than being in spec and then smoothing the surface. Have a crank grinder put an Arnold gage on it. That will really tell all.