Fast Eddy, cam & pinion gear gauge pins .108"

.108 inch diameter. Used to check pinion and cam gears for pitch diameters. A loose fit results in a clicking noise but a tight fit in a whining noise that may result in gear tooth & bearing damage. For sizing charts, see the OEM H-D service manual. These are class Z gauge pins, to hold a 0.0002" tolerance. For sizing charts, see the OEM H-D service manual. USA made. Note: Can be used for S&S TC or OEM Twin Cam engines with aftermarket gear driven cams.