These are OEM replacement exhaust gaskets for KTM and Husqvarna 790, 890, and 901 models.
Will work on OEM, Arrow, and Tekmo exhaust headers. Total of 3 gaskets. OEM 69005005005 & 64105005000
NOTE: If you own a 790/890 Duke with an Akrapovic exhaust system, please verify which items you are in need of as this exhaust is different than stock.