The Solo 350037225 Clutch Bell is an original equipment manufacturer (OEM) part designed for Solo chainsaws. This essential component ensures efficient power transfer from the engine to the cutting chain. It is compatible with Solo chainsaw models 636, 643, 644, 645, 651, 652, and 656. Featuring an outer diameter of 67 mm, an inner diameter of 63 mm, and a height of 24 mm, this clutch bell provides a precise fit and reliable performance for maintaining your Solo chainsaw's optimal operation.