Cometic Buick V6 196/231/252 3.86in 0.043in Copper Head GasketBuick Stage I Stage II V6 . 043in. Copper Cylinder Head Gasket; 3. 860in. Bore Conforms load distribution across the sealing area Embossed Outer Layers Coated w Viton No sealants or re torque required Creates less bore distortion This Part Fits: Year Make Model Submodel 1975 1977,1980 1981 Buick Century Base 1975 1979,1984 1988 Buick Century Custom 1980 1981,1984 Buick Century Estate 1985 1988 Buick Century Estate Wagon 1978 1981,1984 1988 Buick