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Cometic MLS cylinder head gasket for Chevrolet Gen‑1 small block V8, 4.100" bore, .027" compressed thickness, compatible with 18/23° heads and round bore ports. The multi-layer stainless steel construction uses embossed outer layers coated with Viton and an uncoated shim layer for precise thickness control. MLS technology provides strong sealing without sealants, reduced clamp load, and better load distribution to resist corrosion and shearing between mating materials.
Cometic Chevrolet Gen-1 Small Block V8 .027in MLS Cylinder 4.100in Bore 18/23 Degree Head Gasket
