Edelbrock part #7206 Intake Gaskets for 1958 & later Small-Block Chevy Vortec Bowtie allow for optimum flow and performance. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. The new MP-2N Product Features:1.14x2.20Rectangular Port Style.060 ThickTwo Piece ConfigurationAramid Fiber Material