There are no directional markings on the gaskets. When installing Fel-Pro exhaust manifold gaskets, if there is a smooth, metallic side and a composite side, the metallic side should be installed facing out, meaning toward the exhaust manifold.
Can you put a head gasket on upside down?
https://www.youtube.com/watch?v=d4eFG0TeFYI
Are head gaskets the same on both sides?
1. Fitment and Alignment. Some gaskets are nearly identical on both sides, but often there is a slight alignment issue either for the bolt holes or ports. Be sure to have the proper side so it assembles properly.Jul 2, 2020
How do you install Fel-Pro rubber valve cover gaskets?