The 91-31461A2 ring compressor tool assembly is a genuine Mercury / Quicksilver service tool. It includes two compressor pieces that match different cylinder diameters in Mercury...
91-31461A2 Ring Compressor Tool Assembly – Mercury
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91-31461A2
91-31461A2 Ring Compressor Tool Assembly (Set of 3) – Mercury / Quicksilver OEM
The 91-31461A2 ring compressor tool assembly is a genuine Mercury / Quicksilver service tool. It includes three compressor blades, each suited to a different cylinder bore size...