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This Cometic copper head gasket is specified for 1957–1958 Dodge Hemi 392 engines with a 4.060in bore and 0.043in thickness. The copper design is noted to require less clamp load and features embossed outer layers coated with Viton. It’s intended to distribute clamp load evenly, limit bore distortion, and avoid the need for sealants or re‑torque during installation.
Cometic 57-58 Dodge Hemi 392 4.060in Bore 0.043in Copper Head Gasket
