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Cometic MLS head gasket for Buick Big Block V8 (400/430/455) features a 109.52 mm (4.312 in) bore and .045 in compressed thickness, constructed from multiple embossed stainless steel layers with Viton-coated outer faces. The MLS design provides enhanced sealing for high-output engines, resists corrosion, and offers improved load distribution across sealing surfaces without requiring sealants.
Cometic Buick 400/430/455 V8 109.52mm Bore .045in MLS Head Gasket
