NACHEE Dial Indicator with Magnetic Base Holder Differential Backlash Gauge 0-1.0" Tester Gage Gauge Fine Adjustable Long Arm 0.001" Precision 35 ratings View Product Buy it on Amazon More info 8 ...

We set our dial indicator at 2.100-inch because the Number One rod journal measured 2.0994-inch, we added that 0.0006-inch to the bearing inside diameter indicated on the dial bore gauge.