BIG BORE CYLINDER & PISTON KIT FITS STIHL MS311 CHAINSAWS, 49MM, # 1140 020 1204 NIKASIL COATING ON CYLINDER BORE, LONG LASTING PERFORMANCE. NOTE: THIS HIGH QUALITY MADE CYLINDER & PISTON KIT IS NOT MADE IN CHINA.
NOTE: STIHL MADE 2 DIFFERENT CYLINDERS FOR THE MS311 CHAIN SAW, THIS IS THE 3 BOLT INTAKE CYLINDER, THE FORTH HOLE YOU SEE ON THE INTAKE SIDE IS THE IMPULSE HOLE. PLEASE CONFIRM THAT THIS CYLINDER FITS YOUR STIHL MS311 CHAIN SAW.