Intake Manifold Gaskets Series:Ultra Seal. Gasket Material:Composite with Silicone Beading. Creates Tight Leak proof Seal. Nitrile rubber and fiber. Will not crack or split and resists wicking. Withstands 600 plus degree temperatures.
Mr Gasket Intake Gasket Set 5834; Ultra-Seal 2.11 x 1.25 in. for SBF
Mr Gasket Intake Gasket Set 121; Performance Composite, 2.55 x 1.85 in. for BBC
Mr Gasket Intake Gasket Set 108; Performance 2.5 x 1.75 in. Rect Port for BBC
Mr Gasket Intake Gasket 5819; Ultra Seal Rect Raised Port, 2.55 x 1.85 for BBC
Mr Gasket Intake Gasket Set 143; Performance Composite 2.26 x 1.35 in. for SBC
Mr Gasket Intake Gasket 211; Performance Cellulose/Nitrile for Ford 351C 2V