Stihl 1127 007 1003: Spur Gear / Chain Adjusting Screw Kit for MS311, MS391


Regular price $21.00
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Chain-tensioning kit for compatible STIHL chainsaws. It includes a polymer spur gear and steel adjusting screw designed to move the guide bar for precise chain tension. Listed compatible models include 029, 030, 031, 039, MS 271, MS 271 C, MS 290, MS 291, MS 291 C, MS 310, MS 311, MS 390, and MS 391.