This is a direct replacement BUELL part number P0121.02A8A . There are 2 orings in this kit.
A few of the images show various fitments within the BUELL range of motorcycles.
This oring set will cost you an arm and a leg from the dealer. Our orings identical without the cost impact.
Seal will fit the listed models. and maybe others. Please check.
we advice to replace this O-ring when you have take out the fuel pump