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Mahle OE plain ring set sized 4.3900in x 5/64in is an OE-style compression ring kit intended for piston rebuilds and engine repairs. Plain compression rings form a critical seal for combustion pressure and help manage cylinder wear over time. Supplied as a single set appropriate for OE replacement, these rings support restoring proper engine compression and fit during reassembly.
Mahle Rings 4.3900in X 5/64in Cast Claimer Top Compression Ring Plain Ring Set
