Dart’s PRO2 Big Block Chevy Cylinder Heads are meticulously engineered to deliver exceptional performance for big displacement engines turning up to 7500 RPM. These cylinder heads feature 2.35 in. intake valves, and have a 24-degree valve angle, making them ideal for bracket racing, heads up, and super classes.

Dart’s PRO2 cylinder heads are designed to make competitive engine building easier and more cost-effective by incorporating the rugged features of their Race Series casting into ready-to-use, professional-quality components. Every intake port, exhaust runner, valve bowl, and combustion chamber is 100% digitally CNC-machined for ultimate consistency.

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