Compressor Piston Ring Set 2.5mm (2.5/2.5/2.5/4.0), W112/W109/W100
This is a set of 4 piston rings with standard 2.5mm thick compression rings (rings number 1 and 2). There are two different top compression rings used in the compressor pistons, 2.0 mm and 2.5mm.
The 2.5mm (ring number 3) and 4.0 mm (ring number 4) thick ring are used in both sets.
Please check your old rings carefully and order the correct size rings.
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