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The Cometic MLS cylinder head gasket for Buick Stage I/Stage II V6 (4.020in bore, 0.070in thickness) is a direct replacement built for strong sealing on high-output engines. It combines multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated shim center. MLS construction requires no sealants, tolerates aluminum-to-aluminum and aluminum-to-cast-iron pairings, resists shear and corrosion, and evens load distribution to reduce bore distortion.
Cometic Buick Stage I/Stage II V6 .070in MLS Cylinder Head Gasket - 4.020in Bore
