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Cometic MLS cylinder head gasket for Pontiac 326/389/421 V8 (4.300in bore, .080in compressed thickness) is constructed from multiple embossed stainless steel layers with AMP coating and Viton-coated outer faces to meet harsh sealing environments and varied surface finishes. The uncoated center shim layer can be varied for thickness, which evens clamp load, requires less clamp pressure and helps prevent bore distortion while maintaining reliable combustion chamber sealing.
Cometic Pontiac 326/389/421 V8 .080in MLS Cylinder Head Gasket - 4.300in Bore
