Seller notes

Speedmaster Chevy BBC 454 MLS Multi Layer Steel Head Gasket (4.380" @ 0.040") - PAIR Part Number: PCE348.1009 / PC5216 (x2) Speedmaster head gaskets are proven to handle big power any way you can make it. Speedmaster gaskets are designed to maintain contact pressure between the cylinder head and block during the dynamics of engine operation. Speedmaster MLS gaskets use a high pressure steel laminate design known for standing up against the extremely high shearing forces that occur between an alu...

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