
Cometic’s MLS head gasket for Nissan RB25DE/RB25DET is a .051" multi-layer steel gasket sized for an 87mm bore. The gasket uses multiple embossed stainless steel layers with Viton-coated outer layers, providing corrosion resistance and rebound. MLS construction requires no sealants, tolerates dissimilar metals, reduces clamp load and bore distortion, and is specified for high-output RB‑25 engines.
Cometic Nissan RB-25 6 CYL 87mm .051 inch MLS Head Gasket