![Oldsmobile 400 425 455 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] Ensure consistent transmission performance with](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/1-147-076.jpg?v=1785328173)
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Ensure consistent transmission performance with a Speedmaster oil pressure regulator
Designed specifically not to crack at high operating pressure like cast pistons
The steel gaskets help even out the flow between the head and header flange to minimize warping
Speedmaster has already done the work for you
Up to 20% lighter than traditional forged pistons that eliminate harmful stress concentrations for superior strength
Oldsmobile 400 425 455 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] Ensure consistent transmission performance with
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