Ignition Coil Module for Stihl Bt120c Bt121 Bt121z 4134 400 1301 JIANGSU KIDE SYNTHETIC RUBBER CO., LTD. Base Info Model NO.:STIHL BT120C BT121 Description Pre:Ignition Coil Module Fit Stihl Br500 Br550 Br600 4282 400 1305 Next:New Ignition Coil Unit Module for Stihl Ms 361 Ms 341 361 341 Chainsaw