PROMAXX Performance Freedom Series Big Block Chevy Cylinder Heads

4.33 out of 5 stars 3 Customer Reviews

PROMAXX Performance Freedom Series big block Chevy cylinder heads offer exceptional quality at an unbelievable price. They're machined from high-quality aluminum and most come assembled with the finest parts (bare heads are also available). The heads feature one-piece stainless steel intake and exhaust valves, CNC bowl-blended intake runners, and combustion chambers. Freedom heads also include 7/16 in. screw-in rocker arm studs and guideplates for 3/8 in. pushrods. Order the heads recommended for your engine application.

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