Universal, Turbocharger Flange Gasket, Discharge Flange Gasket for K03/K04 4 bolt, Discharge Flange Gasket for K03/K04 4 bolt, S.S. GASKET, Flanges & Gaskets, Vibrant Performance Turbo Flange Gaskets are made from multilayer 304 Stainless for most common Turbocharger Inlet or Discharge Flanges., GasketOutletK03/K04.