When your Big Block Chevy build needs to breathe at high RPM, these Flo-Tek 375cc aluminum heads deliver the airflow and compression you need to chase serious ETs.
Features:
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375cc intake runners for maximum high-RPM airflow
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119cc combustion chamber for strong compression potential
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Fully assembled with stainless valves, springs, retainers & locks
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Fits Mark IV Big Block Chevy engines (396–502 ci)
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Machined for rocker studs and guideplates – ready to bolt on
Why It Wins:
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Big runners = top-end horsepower gains
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Assembled and track-ready, no guesswork
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Lighter than iron = better weight transfer on launch
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Built to handle big cubic inch builds and power adders