Genuine Stihl Quick Tensioner Kit, part number 1123-007-1008 / 11230071008, designed for MS170, MS180, MS210, MS230, MS250 and related 017-025 models. Upgrade your chain cover with a fast, easy, tool-less chain tensioning system. Durable OEM build for reliable and safe performance.

✅ Factory Genuine Part – Official Stihl kit for trusted fit and manufacturer integrity.
✅ Easy Chain Tensioning – Quick adjust knob/lever system lets you tighten or loosen chain easily without full disassembly.
✅ Wide Model Compatibility – Fits many popular chainsaws: MS170 / 180 / 210 / 230 / 250 and 017-025 series etc.
✅ OEM-Quality Materials – Built to withstand vibration, heat, and wear typical of high usage.
✅ Plug-In Upgrade – Replaces the stock chain cover; uses existing mounting points.
✅ Better Safety & Convenience – Helps maintain correct chain tension (important to avoid chain derailment, less wear on bar/chain).