Muffler Exhaust Gasket Nut Screw Bolt Kit Assembly for STIHL 029 039 MS290 MS310 MS390 Chainsaw 1127 149 0601 Ship from CA, fast delivery available 3 months warranty, new high quality aftermarket muffler exhaust gasket screw bolt kit assembly Exhaust gasket P/N: 1127 149 0601 Fits STIHL 029 039 MS290 MS310 MS390 chainsaw