Clutch Assembly for Stihl FS60, FS61, FS80, FS81, FS86, FS88 - Rep 4126 160 2001 Replaces the following Brands OEM: Stihl 4126 160 2001 Fits the following Brands Models: Stihl FS60 , FS61 , FS66 , FS80 , FS81 , FS86 , FS88 Outer Diameter: 51mm Contains: Clutch Shoes , Spring