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This Cometic MLS head gasket for GM LS Gen‑3/4 small block V8s features a 4.100in bore and .066in compressed MLS thickness. Constructed from multiple embossed stainless steel layers with Viton-coated outer layers, the gasket resists corrosion and provides strong sealing for aluminum-to-aluminum or aluminum-to-cast-iron head applications without the need for sealants. The uncoated center shim layer accommodates thickness requirements while improving sealing under high loads.
Cometic GM LS1 SB 4.100in Bore .066in MLS-5 Head Gasket
