2018-2022 Harley Softail M8 FXBB FXBR FXBRS FXST FXBBS CNC Pop-up Flush Mount Vented Low-Profile Gas Oil Tank Fuel Cap Features: Made of High-Quality CNC 6061-T6 Billet Aluminum. Pop-up and Clockwise Tightening Design. A Vented Gas Cap with a Regular Thread. Comes with Rings to Prevent the Oil Inside the Tank from Leaking. Push the center area down and rotate 90 degrees to show or hide the inner cap. Easy to Install, Direct Replacement of the existing cap. Specifications: Condition: 100% Brand New Material: CNC-machined 6061-T6 Billet Aluminum Color: Anodized Black / Chrome Direction: Clockwise OEM Part Number: 61100119A Fitment: Fits '18-later FXBB, FXBR, FXBRS, FXST and '21-later FXBBS. For Harley Softail Street Bob (FXBB) 2018-2020 For Harley Softail Street Bob 114 (FXBBS) 2021-2022.