junta cometica kt primary91 03 xl c9211Cometic's proprietary afm (aluminum foamette material) Gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside, Gaskets have resistance to temperatures of more than 205 hav have an 85 f, have an 85 hav Torque Retention Ideal Gasket Material For Machined Surfaces, Does Not Require Gasket Sealer, Kit Includes All Gaskets, Seals and O Nedas requeridas tanto para la primaria interna como externa,