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The Cometic MLS head gasket for GM Gen-V/VI Big Block V8 with a 4.375in bore and .030in nominal thickness is engineered for dependable big-block sealing. Its layered stainless steel construction includes embossed outer layers coated with Viton and an uncoated center shim for thickness control. The design offers strength, rebound under load, and corrosion resistance while conforming load across the sealing area to reduce bore distortion and eliminate the need for additional sealants.
Cometic GM Gen-V/VI Big Block V8 .030in MLS Cylinder Head Gasket - 4.375in Bore
