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Cometic MLS head gasket for 1975–1987 Buick V6 (196/231/252) Stage I & II applications with a 4.02-inch bore and compressed operating thickness of 0.045 in. Built from multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated stainless center shim, this MLS gasket requires no sealants. It tolerates aluminum-to-aluminum or aluminum-to-iron pairings, rebounds to resist corrosion, and evens clamp load across the sealing area to reduce bore distortion. Viton resists heat to 250°C (482°F).
Cometic 75-87 Buick V6 196/231/252 Stage I & II 4.02 inch Bore .045 inch MLS Head Gasket
