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Cometic MLS head gasket for GM 800 Pro Stock V8 (4.755 in bore) uses a multi‑layer stainless steel stack with a compressed operating thickness of 0.066 in. Embossed outer layers are coated with Viton for heat‑resistant sealing and to handle varied surface finishes, while the uncoated center shim permits thickness adjustment. The MLS construction rebounds, resists corrosion and helps distribute clamp load to reduce bore distortion.
Cometic GM 800 Pro Stock V8 .066in MLS Cylinder Head Gasket - 4.755in Bore
