PART NO. SPL.PAGE DESCRIPTION
AEH574 TC.A.21 Joint for exhaust manifold -(inl+ehx.manifolds, engine, Twin Cam)
The Twin Cam exhaust manifold gasket is (as original) a thick fiber gasket with thin metal layer on one side.
The head is water cooled, manifold not. The manifold gets much hotter than the head. Put the metal side toward the hotter manifold, fiber side toward the head.
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