Threading: 18 x 1.0mm24mm hex nutRibbed fuel outlet 8.6mm Outer DiameterOn / Off / Reserve. Plastic fuel filter. Fuel exits to the back. Comes with rubber sealing washer for a tight fit with no leaksReplacement for Honda:Replacement for Honda CMX450C Rebel 1986-1987Replacement for Honda VT500C Shadow 500 1983-1985Replacement for Honda VT500FT Ascot 1984Replacement for Honda CB550SC Nighthawk 1983Replacement for Honda CB650SC Nighthawk 1983-1985Replacement for Honda: (Original fuel exit to the right)Replacement for Honda CB450SC Nighthawk 1982-1986Replacement for Honda FT500 Ascot 1982-1983Replacement for Honda GL500 Silver Wing 1981-1982Replacement for Honda GL500I Silver Wing Interstate 1981-1982Replacement for Honda XL600V Transalp 1989-1990Replacement for Honda GL650 Silver Wing 1983Replacement for Honda GL650I Silver Wing Interstate 1983Replaces For Honda part numbers: 16951-MF5-015, 16950-MM2-013, 16950-MM2-003, 16950-MF8-771Similar to part numbers: (Original fuel exit to the right)16950-MC9-830, 16950-ME2-010, 16950-ME2-000, 16950-MM9-013Package includes: 1 X Fuel Switch Vacuum Petcock