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These heads deliver significant gains in both power and torque for all Small Block Chevrolet applications - right out of the box. Pro Action SBC Aluminium Heads are the perfect choice for a variety of performance engines, including street rod, muscle car, oval track and drag racing applications.
Standard features include a multi-angle Serdi valve job, cast aluminium construction, multi-angle intake and radiused exhaust valve seats for up to 5% more airflow than the competition. Advanced port/runner/chamber design and modified water jackets for optimal performance & added reliability. Valve springs up to 1.550" and all standard rocker arms and valve train components are accepted.
Cylinder Head Specification: