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This Cometic copper head gasket fits Buick V6 196/231/252 engines with a 3.860in bore and 0.043in thickness. The copper gasket is described as requiring less clamp load, with embossed outer layers and Viton coating on sealing surfaces. It’s specified to conform load distribution across the sealing area, reduce bore distortion, and avoids sealants or re‑torque in standard installation.
Cometic Buick V6 196/231/252 3.86in 0.043in Copper Head Gasket
