Product CHAINSAWGasket Kit (STIHL) Back 1122-007-1050 Gasket Kit STIHL OEM NO.: 1122 007 1050 Fitment: Stihl MS 640 Chainsaw Stihl MS640 R Stihl MS640 RW Stihl MS640 W You May Also Be Interested In 1111-007-1051 Gasket Kit STIHL 4238-007-1003 ENGINERUN Exhaust Cylinder Gasket Set w/ Oil Seal STIHL 3H6-87121-0 Powerhead Gasket Kit For Nissan/ Tohatsu 34824-79 Shifter Cover Gasket For Harley Davidson