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The Cometic MLS exhaust manifold gasket set for Chevrolet Mark‑IV and GM Gen‑V/VI Big Block V8 engines (.042-inch) is engineered for exhaust applications and can withstand temperatures up to 2000°F. Multilayer stainless steel construction with embossed outer layers seals irregular surfaces without sealants. The center shim layer and embossed outer faces distribute load and help accommodate different surface finishes while minimizing distortion under clamp loads.
Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .042in MLS Exhaust Manifold Gasket Set
