Piston Ring Set fit STIHL 017 MS170 MS 170 MS 192 MS192T (37MM) Kolbenring Rings After-market PISTON RING SET - Replace STIHL Part Number: #1130 034 3003 Fits STIHL 017, MS170, MS 170, MS 192 T Chainsaw Models Piston Ring Diameter: (37MM), Thickness (1.2MM). This kit consists of 2 (TWO) PCS of Piston rings Estimated Time of Delivery from Singapore: 7-16 working days