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 used by Mercury outboards.

Mechanics use this set to compress piston rings evenly and cleanly during engine rebuilds or overhauls. Its factory design assures tight tolerances and precise alignment with Mercury engine components.

The 91-31461A2 ring compressor set becomes essential when ring alignment, proper seating, and seal integrity matter most. It lets you install pistons smoothly, without worry of misalignment or damage. Use it across a range of engines that share common bore diameters.

Whether you’re restoring a vintage Mercury or doing a high-precision rebuild, this Mercury Ring Compressor Tool delivers the control and reliability you need. It supports professional work without compromise.

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