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Cometic MLS head gasket for 2001–2006 GM 6.6L Duramax engines with a 4.100" bore and 0.040" compressed operating thickness; right-side. Multiple embossed stainless steel layers form the gasket, outer layers coated with Viton and a center uncoated stainless shim. It seals heavy-duty engines without sealants, tolerates aluminum-to-iron interfaces, resists corrosion, and distributes clamp load to reduce bore distortion and improve long-term sealing.
Cometic 01-06 GM 6.6L Duramax Diesel 4.100 inch Bore .040 inch MLS RHS Head Gasket
