Quality aftermarket cylinder kit. 37mm bore.
Fits: Stihl 017*, MS170 chainsaw
Includes: cylinder, piston, rings, wrist pin, cir clips.
Replaces OEM part: 1130 020 1207
*Fits: 017’s after serial number 2 44 076 105 with the later type ignition coil. If you have the earlier type you will also need to change your coil and flywheel.