Cork Material 1/8 x 12 x 36 Inch Ideal For Use to Make Valve Cover and Intake Manifold End Seals Mr GasketUsed in any application where a part must be sealed to prevent oil leakage. Used to make intake manifold end seals, timing cover Gaskets, etcetera, Poly bagged. 1 8 Inchx 12 x 36 inch sheet. Ideal for use to make valve cover Gaskets, and intake manifold end seals 1 8 Inch x 12 Inch x 36 Inch Use w Oil Details: Emission Code: 5 Fluid Type: Oil Material: Cork Size: 1 8 x 12 x 36 Warranty: Manufacturer's Limited 90 Day Warranty