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This Cometic MLS head gasket fits Nissan RB25DE/RB25DET engines with an 86mm bore and a compressed operating thickness of 0.045". Built from multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated stainless shim, the gasket is intended for high-output applications without sealants, supporting mating of aluminum heads to aluminum or cast-iron blocks while resisting corrosion.
Cometic Nissan RB-25 6 CYL 86mm .045 inch MLS Head Gasket
