Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions Product Features:Fel-Pro performance intake manifold gaskets have been tested with virtually all aftermarket cylinder head and intake manifold combinations.Performance intake manifold gaskets designed without a metal core, to allow engine builders to trim the gasket for exact fit on modified ports.No exhaust crossover openings or blocking shieldsFor use with cast iron and aluminum cylinder headsNot intended for use in emission controlled vehicles.
