Fel-Pro Intake Manifold Gaskets Fel-Pro intake manifold gaskets are designed to be replacements for stock-type intake gaskets. This means they're ideal for stock rebuilds, as well as mild performance engines. The seals are available in a variety of configurations for fitment on hundreds of engine applications. Intake Manifold Gaskets, Replacement, Stock Port Style, Chrysler, Dodge, Jeep, Ram, 5.7L, 6.4L, Set