Comes with valley seal and top air inlet seal. There were no flaws or quality issues. Be sure to follow the factory tightening procedure and adjustments and installation should go smoothly. Don't forget to put a bead of caulk on each corner! My JK 3.8 was leaking oil from the front and rear of the engine. After replacing the old manifold gasket with this one I had no leaks or problems. Done about 2,000km ago.
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