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Cometic MLS head gasket for 1975–1987 Buick V6 (196/231/252) Stage I & II applications with a 4.09-inch bore and compressed operating thickness of 0.051 in. The MLS construction uses embossed stainless layers with Viton-coated outer faces and an uncoated stainless center shim. No sealants are needed; it fits aluminum-to-aluminum or aluminum-to-iron pairings, resists corrosion, and evens clamp load across the sealing area to reduce bore distortion. Viton and AMP embossing improve sealing across varied surfaces and temperatures.
Cometic 75-87 Buick V6 196/231/252 Stage I & II 4.09 inch Bore .051 inch MLS Head Gasket
