Gearhead / Stihl 4137 640 0100Pack Size:1Stihl 4137 640 0100, Stihl 4130 640 0100, Stihl 4130 641 0300Rotary 14633Stihl FR130 T, FR220, FR350, FR450, FR460, FR480, FR85, FR85 T, FS100, FS100R, FS110, FS110R, FS110 RX, FS110 X, FS120, FS120 R, FS130, FS130 R, FS200, FS200 R, FS240, FS240 R, FS250, FS250 R, FS25-4, FS260 R, FS44, FS44 R, FS65-4, FS74, FS80, FS80 R, FS83, FS83 R, FS83 T, FS85, FS85 R, FS85 T, FS87, FS87 R, FS90, FS90 R, FS-KM and FT 100 unit must be lubricated with a high quality lithium grease prior to use, Includes thrust washer and nut