Chevy Big Block Hydraulic Roller Assembled Aluminum Cylinder Head

These aluminum cylinder heads are designed to enhance airflow and power in Big Block Chevys, featuring specific chamber and runner sizes. They come assembled with valve train components and are suitable for street and performance builds.

• The description claims these heads improve airflow, combustion efficiency, and horsepower potential.
• The description claims improved throttle response, torque, and top-end horsepower across the RPM range.
• The description claims lightweight aluminum construction reduces weight and improves heat dissipation.
• The description claims compatibility with Chevrolet engines.