MR. GASKET Chevy Big Block Ultra-Seal Intake Gaskets 1.75x2.50'' Rectangular Ports 0.060''
Ultra-Seal intake manifold gaskets are manufactured from cellulose/nitrile composition gasket material. They provide excellent sealing and durability. The incorporate silicone beading around each intake and water outlet port to provide additional sealing strength on both sides of each gasket. No gasket sealer required.