Cometic Gasket · New
Cometic GM BBC 2.250in Round Port - 030in MLS Exhaust Gasket
MPN C5251-030 · Store SKU cgsC5251-030
Supplier stock checked 11/7/2026, 9:31:37 AM UTC. Adding a part does not reserve it.
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Product details
Exhaust gasket is made of .030" Multi Layer Steel material which can withstand extreme temperatures and maintains a torque set. Gasket features 2.250" Round Port. Cometic MLS (Multi-Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials. No sealants are required. MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel Chevrolet Mark-IV; GM Gen-V/VI Big Block V8 .030in. MLS Exhaust Manifold Gasket Set; 2.250in. Round Port Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .030" MLS Exhaust Manifold Gasket Set, 2.265" Round Port Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 Exhaust Manifold Gasket Set Chevrolet Mark-IV; GM Gen-V/VI Big Block V8 Exhaust Manifold Gasket Set
Manufacturer fitment & guides
Check C5251-030 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
