Dual Chrome Pop Up Flush Gas Cap Vented Fueltank Fuel Cap Left & Right for Harley Davidson (1982-2010)NEW Dual Left and Right Motorcycle Flush Pop Up Gas Caps. These gas caps have a knurled grip for when you need it, and turns to a flush low profile cap when you dont. Simply push the center area down and rotate 90 degrees to show or hide the inner cap. Features: Dual Left and Right Motorcycle Flush Pop Up Gas Caps Right cap is vented, left cap is reverse thread Comes with o rings to prevent leaks Simply push the center area down and rotate 90 degrees