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RHS Pro Action Aluminum SB-Chevy Cylinder Heads


RHS
RHS Pro Action Aluminum SB-Chevy Cylinder Heads

Product images may differ from actual product appearance.

Optimal performance with reliability, Pro Action Heads deliver significant power and torque gains right out of the box for all small block Chevrolet applications. They're perfect for a variety of performance engines: street rod, muscle car, oval track, and drag racing. Sold individually.

Features
  • 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% more airflow than the competition


  • 8 Products
    23° Aluminum Cylinder Heads for Flat Tappet Cams
  • Intake Ports: 180cc
  • Valves: 2.020" Int/1.600" Exh
  • Single Valve Springs: 1.460" (.560" max lift)
  • Assembled

  • 784-12052-01
    Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 64cc
  • Straight plug
  • $658.99
    Order Today Ships 09/30/14

    784-12053-01
    Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 64cc
  • Angle plug
  • $658.99
    Order Today Ships 09/30/14

    784-12041-01
    Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 72cc
  • Straight plug
  • $658.99
    Order Today Ships 09/30/14

    784-12042-01
    Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 72cc
  • Angle plug
  • $658.99
    Order Today Ships 09/30/14
    23° Aluminum Cylinder Heads for Aggressive Flat Tappet/Hydraulic Roller Cams
  • Intake Ports: 180cc
  • Valves: 2.020" Int/1.600" Exh
  • Single Valve Springs: 1.460" (.560" max lift)
  • Assembled

  • 784-12052-02
    Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 64cc
  • Straight plug
  • $707.99
    Order Today Ships 09/30/14

    784-12053-02
    Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 64cc
  • Angle plug
  • $707.99
    Order Today Ships 09/30/14

    784-12041-02
    Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 72cc
  • Straight plug
  • $707.99
    Order Today Ships 09/30/14

    784-12042-02
    Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 72cc
  • Angle plug
  • $707.99
    Order Today Ships 09/30/14

    8 Products