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This Cometic MLS head gasket is specified for Chevrolet 4.3L Gen-1 90° V6 engines with a 4.120in bore and a compressed thickness of 0.040". Cometic's MLS construction uses multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated stainless shim center for varied thickness control. MLS design provides strong sealing for aluminum-to-aluminum or aluminum-to-iron head/block combinations without sealants.
Cometic Chevy 229/262 V-6 4.3L 4.12in Bore .040 inch MLS Head Gasket
