In my opinion this seal is superior to FelPro or Cummins. It's stiffer, slightly wider, and has small raised edges around the leak-prone areas on the Cummins cover. I compared it to Blue FelPro and Cummins. Very satisfied and decided to use this to close a leaking side cover. It also comes with 6 sealing washers with rubber inside, while for the other two brands these 6 washers must be purchased separately.
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