Offenhauser 6147 Port-O-Sonic Manifold


Port-O-Sonic Manifold – Ford 332/352/360/390/406/427/428 Std. 4bbl Carb

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SKU: 6147 Categories: , , Tags: , ,


Offenhauser engineers designed manifolds for competition.  Specially designed plenums and runners match volume for a specific engine for maximum power.  Eliminates “lean/rich” condition from cylinder to cylinder commonly found with other aftermarket manifolds.

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