MowerPartsGroup Replacement Bump Feed Trimmer Head Fits;

Fits stihl: F90R, FR106, FR108, FS40, FS44, FS44B, FS44J, FS44R, FS48, FS50, FS50E, FS50F, FS51, FS51AVE, FS52, FS52AVE, FS52AVRE, FS55, FS5-RC-E, FS56, FS56AVRE, FS56C-E, FS60, FS61, FS61AE, FS61E, FS62, FS62AVE, FS62AVRE, FS65, FS65AVE, FS65AVRE, FS66, FS66AVE, FS66AVRE, FS74, FS74AVE, FS74AVRE, FS76, FS76AVE FS76AVRE, FS80, FS80E, FS80R, FS80RE, FS81, FS81AVE, FS81AVRE, FS83, FS83R, FS83RT, FS85, FS85R, FS85RT, FS85RX, FS86, FS86AVE, FS86AVRE, FS88, FS90, FS90AVE, FS91, FS96, FS100RX, FS106, FS106AVE, FS108, FS110, FS110R, FS110RX, FS120, FS120R, FS130, FS130R, FS200R, FS250, FS250R, FS350, FS450K, FS550 and FS550K. Please ask if you are unsure if these parts will fit your unit.