The Aeroflow Performance single layer turbine flange gaskets are designed to provide the best quality seal at the most competitive price.These single layer metal gaskets are designed to provide a secure, leak free seal and are engineered for high temperature demands placed on your turbo flanges. Featuring an embossed edge which reinforces the steel gasket to provide a sure seal.They are available in all sizes from T25/T28 all the wayup to T6 for the turbine inletflanges and the Nissan 5 bolt or Ford 5 bolt turbine outlet flange gaskets.