The Cometic MLS cylinder head gasket for Nissan RB20DE/RB20DET (80mm bore) uses embossed stainless steel layers with Viton-coated outer faces and a compressed operating thickness cited in source. The MLS build conforms load distribution, reduces clamp load and bore distortion, resists corrosion and rebonds under stress, providing reliable sealing for RB20 engines without the need for additional sealants.
Cometic Nissan RB20DE/RB20DET .070in MLS Cylinder Head Gasket - 80mm Bore