First rate performance, progressive engineering and unmatched quality are the foundations of the RHS Pro Action 24 degree aluminum cylinder heads. Capable of making 1000 horsepower, the Big Block Chevy heads provide you with more features, better flow chart numbers and superior "as cast" finished quality. They are available in cast iron or aluminum, bare or assembled. RHS Pro Action Big Block Chevy cylinder heads are tremendous performers for street, drag race, and powerboat applications.
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