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Cometic's .060 inch MLS head gasket for Chevrolet 348/409 W-Series Big Block V8 (4.437 in bore) is constructed from multiple embossed stainless steel layers with Viton-coated outer layers for thermal and chemical resistance. The multi-layer steel design rebounds and resists corrosion, sealing aluminum-to-iron interfaces without sealant. The center shim layer can be varied to meet thickness needs and helps reduce clamp load and bore distortion.
Cometic Chevrolet 348/409 W-Series Big Block V8 .060in MLS Cylinder Head Gasket - 4.437in Bore
