Bowtie 572/720R Cylinder Head Assembly

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