This is a very high quality alternative to the expensive Honda part number16958-KM9-005 or 16958KM9005. 2 x FUEL PETCOCK PET COCK SEAL / O RING. They are the best quality UPRATED seals, in the exact size and thickness as the original Honda part 16958-KM9-005, but in a much higher performing and more resistant material than the originals.
