Clevite #MPB1 Plastigage, Blue, 0.004 in. - 0.009 in./ 0.102mm - 0.229mm Range, 11 in. Length. MAHLE/Clevite Plastigauge is available in four different sizes to check total vertical oil clearance on connecting rod and main bearings. Each package has a measuring scale printed in inches and millimeters. We also carry the other plastigage sizes at any of our locations.