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The Cometic MLS head gasket for Chevrolet 4.3L Gen‑1 90° V6 (4.120 in bore) features a compressed operating thickness of 0.120 in and layered stainless steel construction. Embossed outer layers are Viton‑coated to withstand high temperatures and sealing challenges while the uncoated center shim can be varied for thickness control. This MLS gasket requires no sealants and is engineered to handle aluminum‑to‑aluminum or aluminum‑to‑cast‑iron mating surfaces while resisting corrosion and reducing bore distortion.
Cometic Chevrolet 4.3L Gen-1 90 Degree V6 .120in MLS Cylinder Head Gasket - 4.120in Bore
