FREE SHIPPING & HANDLING!*                           Order by 11 PM EST for Same Day Shipping!

RHS Pro Action Cast Iron SB-Chevy Cylinder Heads


RHS
RHS Pro Action Cast Iron SB-Chevy Cylinder Heads

Product images may differ from actual product appearance.

These heads deliver significant gains in both power and torque for all Small Block Chevrolet applications - right out of the box. Pro Action SBC 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 and the choice of straight or angle plug configuration. Valve springs up to 1.550" and all standard rocker arms and valve train components are accepted.



Key Features:

  • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
  • Standard features include multi-angle intake & radiused exhaust valve seats for up to 5% more airflow than the competition


  • 23 Products
    180cc 23-Degree Pro Action Cast Iron Cylinder Heads for Flat Tappet Cams

    784-12301-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 180cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14

    784-12302-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 180cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14

    784-12318-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 180cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14
    200cc 23-Degree Pro Action Cast Iron Cylinder Heads for Flat Tappet Cams

    784-12304-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 200cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14

    784-12319-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 200cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14
    200cc 23-Degree Pro Action Cast Iron Cylinder Heads - Bare

    784-12304
    23-Degree Pro Action Cast Iron Cylinder Head
  • 200cc Intake Ports
  • 74cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • Angle Plug
  • Bare, Sold Individually
  • $429.99
    Order Today Ships 10/28/14
    220cc 23-Degree Pro Action Cast Iron Cylinder Heads for Flat Tappet Cams

    784-12305-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 220cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14

    784-12306-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 220cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14
    235cc 23-Degree Pro Action Cast Iron Cylinder Heads for Flat Tappet Cams

    784-12307-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 235cc Intake Ports
  • 64cc Combustion Chambers
  • 2.080'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14

    784-12308-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 235cc Intake Ports
  • 72cc Combustion Chambers
  • 2.080'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14

    784-12324-01
    23-Degree Pro Action Cast Iron Cylinder Head
  • 235cc Intake Ports
  • 64cc Combustion Chambers
  • 2.080'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .560'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $609.99
    Order Today Ships 10/28/14
    180cc 23-Degree Pro Action Cast Iron Cylinder Heads for Aggresive Flat Tappet/Hydraulic Roller Cams

    784-12301-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 180cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    784-12302-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 180cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    784-12317-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 180cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    784-12318-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 180cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14
    200cc 23-Degree Pro Action Cast Iron Cylinder Heads for Aggresive Flat Tappet/Hydraulic Roller Cams

    784-12303-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 200cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    784-12304-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 200cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    784-12319-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 200cc Intake Ports
  • 50cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    784-12320-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 200cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Dual Valve Springs, .600'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14
    220cc 23-Degree Pro Action Cast Iron Cylinder Heads for Aggresive Flat Tappet/Hydraulic Roller Cams

    784-12305-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 220cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Dual Valve Springs, .600'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    784-12306-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 220cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Dual Valve Springs, .600'' Max Lift
  • Angle Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14
    235cc 23-Degree Pro Action Cast Iron Cylinder Heads for Aggresive Flat Tappet/Hydraulic Roller Cams

    784-12307-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 235cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    784-12308-02
    23-Degree Pro Action Cast Iron Cylinder Head
  • 235cc Intake Ports
  • 72cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.460'' Dia. Single Valve Springs, .600'' Max Lift
  • Straight Plug
  • Assembled, Sold Individually
  • $669.99
    Order Today Ships 10/28/14

    23 Products