Compressor Piston Ring Set 2.0mm (2.0/2.0/2.5/4.0)
This is a set of 4 piston rings with 2.0mm 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.