Proline® piston kit for Stihl FS87, FS90, FS91. Verify that your model is a 4180 series before purchasing, as some models listed used more than one style or part number, depending on the manufacturing date. Please match your part with ours for proper fitment; actual pictures are shown. Parts are Not made in China.
Includes:
- Piston
- Ring
- Circlips
- Wrist pin
Specs:
- 38mm
- Compatible only with the 4-Mix 4180 series
Replaces Stihl OEM #:
- 4180 030 2007, 41800302007