Check tool to address inspection required per MSB23-01 on Crankshaft counterweights. Tool is fabricated using 4140 Steel Rockwell C30 per service bulletin drawing. This tool measurers the 0.179 to 0.180 gap on the retainer ring.
This tool is used on all 470, IO-520, L/TSIO-520 and 550 Engines Only
This tool is available for non-customers for a shipping and handling fee.
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