1. Has excellent stability and runs smoothly 2. Made of high quality material, durable and practical 3. Easy to install and reliable to use 4. Suitable for Stihl FS40 FS50 FS50C FS56 FC56 HT56 HT56C KN56 KN56RC KM56 KM56C FC70 FC70C FS56-4144 FS56CE FS56CEZ FS56R FS56RCE FS70C FS70RC FS70CE FS70RCE FS70R-CEZ 5. Precautions: It is necessary to check whether the model and specification are applicable 6. Carburetor matching number: Stihl 4144 120 0603, 4144 120 0608, ZAMA C1M-S267 C1M-S267A
