Mr. Gasket Intake Gasket is a high performance gasket manufactured from a blend of nitrile rubber and fiber for excellent sealing and durability. Intake gaskets are precision die-cut for each specific application to ensure a great fit. Intake gaskets are tailored to match intake ports on intake manifolds and cylinder heads. 0.060" thick. This intake gasket can be easily cut to match most modified cylinder head and intake ports. The set comes complete with all necessary seals and block-off plates.