The kit includes: 3pcs yellow springs - 4000 RPM 3pcs black springs - 5000 RPM 3pcs white springs - 6000 RPM Springs for clutch MALOSSI 297456 - Morini 50 cc Ø=112mm for standard clutch with internal diameter of the bell - 112mmAprilia Habana 50Benelli K2 50 water (03.2003-) (Morini engine)Be..