P-48 Evolution Hemi Heads

It’s here.

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The long awaited release of our new P-48 Evolution Heads. This NHRA Legal Billet Hemi head has its final touches. Mold star 90 seats are standard in this head and our Newen cuts the contour like butter. Over 600cfm out of a 2.500″ intake valve and 477cfm exhaust with a 2″ valve. We designed this head in parallel with Reid Rockers to provide the absolute best possible valve-train geometry.


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