Details ~ 12059

• 220cc Intake Runners & 64cc Chambers

• 2.020" IN. & 1.600" EX. Valve Sizes

• Single Bare Aluminium Head (1 available, NLA - no longer available))

• Angled Spark Plug Holes

Pro Action Small Block Chevy Aluminium Head

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.

• Advanced port/runner/chamber design & modified water jacket for improved durability, optimal performance & added reliability

• Standard features include multi-angle intake & radiused exhaust valve seats for up to 5% more flow than the competition

*Image for illustration purposes only, actual item may vary.