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Cometic MLS head gaskets for Oldsmobile Gen-2 Rocket V8 engines feature a 4.200" bore and 0.027" compressed thickness to provide high-performance sealing without sealants. Multiple embossed stainless steel layers with Viton-coated outer faces resist corrosion and handle dissimilar metal combinations. The layered construction helps conform load distribution, requires less clamp load and reduces bore distortion for dependable sealing.
Cometic Oldsmobile 330-455 V8 4.2 inch Bore .027 inch MLS Head Gasket
