Clutch Fill Funnel Tool Fits FL 1970-UP FX 1971-1984 FXD 1991-UP Harley Motorcycle Clutch Fill Funnel Tool The half cone shaped funnel snaps into the derby cover opening makes it easier to add oil to your primary cavity OEM No: 63797-10 Fits: FL 1970-UP FX 1971-1984 FXD 1991-UP