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RHS 12042-01 - RHS Pro Action Aluminum SB-Chevy Cylinder Heads

RHS 12042-01 - RHS Pro Action Aluminum SB-Chevy Cylinder Heads
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RHS#784-12042-01

Pro Action 23° Aluminum Cylinder Head
  • Combustion Chambers: 72cc
  • Angle plug

    RHS 12042-01 - RHS Pro Action Aluminum SB-Chevy Cylinder Heads Details

    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

  • Clean Cast Technology
  • For Hardcore Street/Race/Marine Performance
  • Enhanced Features; Superior Quality
  • Proven To Out-Perform The Competition

  • RHS 12042-01 - RHS Pro Action Aluminum SB-Chevy Cylinder Heads

    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

  • RHS 784-12042-01

    Engine Make/Size
    Chevy Small Block (262-400)
    Type
    Complete
    Emission
    Non-Emissions
    Usage
    Street/Performance
    Cylinder Head Type
    Standard
    Preparation
    Bolt On (Not Required)
    Finish
    Cast Aluminum
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