Chevrolet Performance Bowtie high-performance street cylinder heads are an ideal combination of street drivability and drag-strip performance. They provide a broad power range with ample low-end torque, excellent throttle response, good mid-range torque and enough top-end power to beat your competitors to the finish line.
Used in the 572/720R Chevrolet Performance crate engine
Completely assembled with 2.250"/1.880" 11/32" stem valves
Mechanical roller valve springs—not for use with hydraulic roller cams
Good to .720" valve lift
310cc rectangular intake port
118cc exhaust port—raised 5/8"
118cc combustion chamber
