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  • RHS Pro Action Small Block Chevy Cast Iron Heads, 200CC / 64CC
    RHS Pro Action Small Block Chevy Cast Iron Heads, 200CC / 64CC
    x
                These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job. 
    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP
    • 220cc recommended for 383-400+ c.i. up to 550+ HP

    Application Chart (GIF)

    Roller Ready - Please specify cam lift when ordering. 

    Complete heads are made to order, please allow 3-4 days to assemble.

  • RHS Pro Action Small Block Chevy Cast Iron Heads, Angle Plug, 200cc/50cc
    RHS Pro Action Small Block Chevy Cast Iron Heads, Angle Plug, 200cc/50cc
    x
                

    These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.

    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP
    • 220cc recommended for 383-400+ c.i. up to 550+ HP

    Application Chart (GIF)

    Roller Ready - Please specify cam lift when ordering. 

    Complete heads are made to order, please allow 3-4 days to assemble.

  • RHS Pro Action Chevy Cast Iron Cylinder Heads-Straight Plug 50cc, Race
    RHS Pro Action Chevy Cast Iron Cylinder Heads-Straight Plug 50cc, Race
    x
                These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job. 
    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP
    • 220cc recommended for 383-400+ c.i. up to 550+ HP

    Application Chart (GIF)

    Roller Ready - Please specify cam lift when ordering. 

    Complete heads are made to order, please allow 3-4 days to assemble.

  • RHS SBC Cast Iron Cylinder Heads, Angle Plug, 200cc/64cc, Street Ready
    RHS SBC Cast Iron Cylinder Heads, Angle Plug, 200cc/64cc, Street Ready
    x
                

    These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.

    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP
    • 220cc recommended for 383-400+ c.i. up to 550+ HP

    Application Chart (GIF)

    Roller Ready - Please specify cam lift when ordering. 

    Complete heads are made to order, please allow 3-4 days to assemble.

  • RHS SBC Cast Iron Cylinder Heads, Angle Plug, 220cc/50cc, Street Ready
    RHS SBC Cast Iron Cylinder Heads, Angle Plug, 220cc/50cc, Street Ready
    x
                

    These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.

    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP
    • 220cc recommended for 383-400+ c.i. up to 550+ HP

    Application Chart (GIF)

    Roller Ready - Please specify cam lift when ordering. 

    Complete heads are made to order, please allow 3-4 days to assemble.

  • Assembled - Straight Plug
    $1,799.99
    $1,899.99
    Assembled - Straight Plug
    x
                

    The RHS Pro Elite series of CNC-ported cylinder heads is designed for absolute maximum engine performance. Utilizing innovative design features, modern engineering methods & precision CNC machining, Pro Elite Cylinder Heads are second-to-none. Features a 69cc combustion chamber available bare or fully assembled.

    • Innovative cast iron design w/ race-inspired features
    • Delivers maximum airflow for remarkable performance gains
    • Extreme performance & race applications
    Assembled Heads Feature:
    • 5/16" flat guide plates
    • 2.055" stainless intake valves, +.100"
    • 1.600" stainless exhaust valves, +.100"
    • Premium 11/32" heat treated steel 7° valve locks
    • 7/16" rocker arm studs
    • 1.550" O.D. roller cam valve springs
    • Lightweight steel retainers

    RHS Cylinder Head Standard Features (Link)

  • RHS Chevy Iron Complete Angled Cylinder Heads-220cc/64cc, Race Version
    RHS Chevy Iron Complete Angled Cylinder Heads-220cc/64cc, Race Version
    x
                

    These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.

    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP
    • 220cc recommended for 383-400+ c.i. up to 550+ HP

    Application Chart (GIF)

    Roller Ready - Please specify cam lift when ordering. 

    Complete heads are made to order, please allow 3-4 days to assemble.

  • Garaeg Sale - RHS 12326 Pro Elite 23 Degree CNC Ported Iron Bare Cylinder Head, Straight Plug
    Garage Sale
    Garaeg Sale - RHS 12326 Pro Elite 23 Degree CNC Ported Iron Bare Cylinder Head, Straight Plug
    x
                Please view the product's page for more information
            
  • Garage Sale - RHS Pro Action SBC Cast Iron Head, Straight Plug/Flat
    Garage Sale
    Garage Sale - RHS Pro Action SBC Cast Iron Head, Straight Plug/Flat
    x
                Please view the product's page for more information
            
  • Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, 200CC/50CC
    Garage Sale
    Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, 200CC/50CC
    x
                Please view the product's page for more information
            
  • Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, Angle Plug, 200cc/50cc
    Garage Sale
    Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, Angle Plug, 200cc/50cc
    x
                

    These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.

    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP

    Application Chart (GIF)

     

    This head is garage sale priced because it has been discontinued.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Garage Sale - RHS Pro Action Bare Chevy Cast Iron Head, Straight Plug, 200CC/50C
    Garage Sale
    Garage Sale - RHS Pro Action Bare Chevy Cast Iron Head, Straight Plug, 200CC/50C
    x
                These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications. All heads feature a multi-angle Serdi valve job.
    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP

    Pro Action Features (Link)

    590-22350 Complete Specs (PDF)

    This head is garage sale priced because it has a few dings on the edges.

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, Angle Plug, 200cc/50cc
    Garage Sale
    Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, Angle Plug, 200cc/50cc
    x
                

    These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.

    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP

    Application Chart (GIF).

     

    Clearance!! 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, 200CC/64CC
    Garage Sale
    Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, 200CC/64CC
    x
                These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.
    • Standard port 23° head
    • Accepts standard Chevy rocker arms and valve train components
    • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
    • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
    • 200cc recommended for 327-350 c.i. up to 400+ HP

    Application Chart (GIF)

     

    Clearance!! 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Garage Sale - RHS Pro Action Bare Chevy Cast Iron Head, Straight Plug, 200CC/64CC
    Garage Sale
    Garage Sale - RHS Pro Action Bare Chevy Cast Iron Head, Straight Plug, 200CC/64CC
    x
                Please view the product's page for more information