Proline® performance cylinder piston kit 49mm for Stihl standard bore size for MS390, 039 and big bore for 029 MS290, MS310. This cylinder is Nikasil plated. Please match you part with ours for proper fitment; actual pictures shown. This kit is Not made in China.
Includes:
- Cylinder
- Piston
- Piston rings
- Circlips
- Wrist pin
Specs:
- 49mm
- Proline® Performance Series
- Requires silicone sealant to assemble use Dirko HT
- Standard bore size for MS390, 039 and big bore for MS310, MS290, 029
- Nikasil plated
- With decompression hole
- Must use OEM self taping screws (holes are not threaded)
- 2019 Models, the muffler bolt slots MUST be filed larger to fit proper
Replaces Stihl OEM #:
- 1127 020 1216, 11270201216