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The Cometic MLS cylinder head gasket for Honda B18A1 and B18B1 engines is a .040in gasket with an 83mm bore designed for reliable sealing in high-output builds. Multiple embossed stainless steel layers form the gasket, with Viton-coated outer layers and an uncoated stainless shim center. It accepts aluminum-to-aluminum and aluminum-to-cast-iron pairings, requires no sealants, and its construction helps distribute load while resisting corrosion.
Cometic Honda B18A1/B18B1 .040in MLS Cylinder Head Gasket - 83mm Bore
