Cometic Mazda B6 16V 89-93 Exhaust .030 inch MLS Head Gasket 1.765 inch X 1.020 inch PortCOMETIC MLS (Multi Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials. No sealants are required. This Part Fits: Year Make Model Submodel 1989 1993 Mazda 323 Base 1989 Mazda 323 GTX 1989 Mazda 323 LX 1989 1993