Kit 7 joints Artek K2 Alu for 50cc engine Derbi € 2 Includes 1 x cylinder base gasket 1 x cylinder head gasket 1 x exhaust gasket 4 x stud seals Technical characteristics Generic part Mark: Artek Model: K2 Product Racing Type aluminum Sold complete High engine gasket pack Artek new adaptables for Bultaco, GPR