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Piston Ring, Engine

Side Clearance Groove 1 0.040-0.075 Millimeter (mm)
Groove 2 0.020-0.055 Millimeter (mm)
Groove 3 0.020-0.055 Millimeter (mm)
End Gap Groove 1 0.20-0.40 Millimeter (mm)
Groove 2 0.20-0.45 Millimeter (mm)
Groove 3 0.30-0.60 Millimeter (mm)