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RHS Pro Action Aluminum Small Block Chevy Cylinder Heads
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Optimal performance with reliability, Pro Action Heads deliver significant power and torque gains right out of the box for all Small Block Chevy applications. These cylinder heads are perfect for a variety of street rod, muscle car, oval track, and drag racing performance engines. Sold individually.
Advanced port/runner/chamber design
180cc intake ports
64cc or 72cc combustion chambers
Straight or angle plug configuration
Modified water jacket
Multi-angle Serdi valve job
Radiused exhaust valve seats for up to 5 percent more airflow than the competition
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