This clutch includes clutch friction plates, clutch steel plates, heavy duty springs, and a cover gasket.The contains 7 clutch friction plates, 6 clutch steel plates, 5 heavy duty springs, and 1 cover gasket.It is compatible with the following models: 350 YFM350X (1987–2004), YFM350 (2004), YFM350R (2005–2013), YFM350RSE (2005–2007), YFM350RSE2 (2007), Big Bear 350 (1987–1997), Moto-4 350 (1987–1995), and 400 (1994–1998).This replaces OEM part numbers 5Y1-16331-01-00, 4H7-16321-02-00, 168-16325-00-00, 3J2-16324-00-00, and 90501-231E9-00.