Piston Kit, Ring Set, Pin, Circlip fit STIHL 017 MS170 MS 170 1130 030 2000 chainsaw 37MM Aftermarket Brand: ITACO Fit STIHL 017C, 017 C, MS170, MS 170 chainsaw Replace OEM STIHL Part Number: # 1130 030 2000 Piston diameter is 37MM. Estimated Time of Delivery from Singapore: 7-16 working days