Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Shop Open Wheel Engine At Speedway Motors

Speedway Motors is the open wheel racing engine authority! Whether you have a 360, 410, USAC or Outlaw series Chevy race engine, Speedway has every part Sprint and Midget racers need. Our large assortment of cylinder heads, camshafts and racing valve train components allows you to tailor your engine for any racing condition. Speedway also has a variety of durable forged rotating assemblies, dry sump oiling systems and Dart engine blocks that can survive the rigors of open wheel racing. Race and win with Speedway Motors!

"Open Wheel, Cylinder Heads" Page 1 of 1

  • World Sportsman II Small Block Chevy Iron Heads, Angle Plug
    World Sportsman II Small Block Chevy Iron Heads, Angle Plug
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    The industry’s most popular true high performance cast iron cylinder head has been continuously improved since its introduction over 20 years ago. With 200cc intake and 69cc exhaust ports, World’s Sportsman II cylinder heads offer 30-70 horsepower gains over OEM cast iron heads, yet are 50-state emissions legal.

    • Bolt on from 30 to 70 additional H.P. (Dyno Proven)
    • Combustion chambers available in 64cc
    • Available with either angle, or straight spark plugs
    • 200cc intake runners
    • Fully machined rocker cover rails
    • Higher, wider, raised roof intake runner with improved short turn radius

    Sportsman II Application Chart (GIF)

    824-1112 Instructions (PDF)

    Please specify cam lift in comments section when ordering heads.

    Assembled heads are built to order.

  • Garage Sale - Sportsman 64CC Angle 200 Iron
    Garage Sale
    Garage Sale - Sportsman 64CC Angle 200 Iron
    x
                Please view the product's page for more information
            
  • Garage Sale - Sportsman 64CC Angle 200 Iron
    Garage Sale
    Garage Sale - Sportsman 64CC Angle 200 Iron
    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).

     

    Clearance!! 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Dart 127311 SHP 200CC Bare Engine Cylinder Head, Straight, S/B Chevy
    Dart 127311 SHP 200CC Bare Engine Cylinder Head, Straight, S/B Chevy
    x
                The SHP is cast from A356-T6 aluminum and designed  to work with most off the shelf components, so you won’t need to worry  about acquiring costly custom components.
    • Bolt on compatibility: Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components
    • Multi-angle intake seats and radiused exhaust seats dramatically increase air/fuel flow
    • Hardened exhaust seats are compatible with unleaded gasoline
    • Manganese bronze valve guides extend cylinder head life
    • All cylinder heads sold individually
    • Configuration: Bare
    • Combustion Chamber Volume: 64cc
    • Intake Port Volume: 180cc
    • Intake & Exhaust Valves: 2.02/1.60 Valve Job
    • Valve Springs: None
    • Spark Plugs: Straight Plugs
  • Dart 127121 SHP 180CC Assembled Engine Cylinder Head-Small Block Chevy
    Dart 127121 SHP 180CC Assembled Engine Cylinder Head-Small Block Chevy
    x
                The Dart SHP Cylinder Head is cast from A356-T6 aluminum and designed  to work with most off the shelf components, so you won’t need to worry  about acquiring costly custom components.
    • Bolt on compatibility: Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components
    • Multi-angle intake seats and radiused exhaust seats dramatically increase air/fuel flow
    • Hardened exhaust seats are compatible with unleaded gasoline
    • Manganese bronze valve guides extend cylinder head life
    • Assembled with 1.250 diameter valve springs
    • Straight spark plug configuration
    180cc intake runner, 64cc combustion chamber, 2.02/1.60 valves, 1.250 diameter springs for flat tappet camshafts.
  • Garage Sale - World Sportsman II Small Block Chevy Iron Heads, Angle Plug
    Garage Sale
    Garage Sale - World Sportsman II Small Block Chevy Iron Heads, Angle Plug
    x
                Please view the product's page for more information
            
  • 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 - Dart Iron Eagle Assembled Chevy Head, Angle Plug, 215CC/64CC
    Garage Sale
    Garage Sale - Dart Iron Eagle Assembled Chevy Head, Angle Plug, 215CC/64CC
    x
                Please view the product's page for more information
            
  • Garage Sale - World Products Sportsman II Head
    Garage Sale
    Garage Sale - World Products Sportsman II Head
    x
                
  • Bolt on from 30 to 70 additional H.P.
    (Dyno Proven)
  • Combustion chambers available in 64 cc
  • Straight spark plugs
  • 200 cc intake runners
  • Fully machined rocker cover rails
  • Higher, wider, raised roof intake runner with improved short turn radius
  • Spark plug use: 14 mm-5/8",
    .460 reach, taper shaft

    NOT FOR STREET USE

     

    This single bare head is garage sale priced because it has been assembled, had valves ground in and taken back apart.  This is the bare head only. 

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • Garage Sale - Small Block Chevy CNC Ported Aluminum Heads
    Garage Sale
    Garage Sale - Small Block Chevy CNC Ported Aluminum Heads
    x
                

    These small block Chevy aluminum alloy cylinder heads feature an advanced port design and are CNC finished for greater flow. These cylinder heads have been professionally CNC Ported. Heads are bare and are sold each. 

    • CNC ported
    • 215cc intake runners
    • 75cc exhaust runners
    • 64cc combustion chambers
    • Angled plugs
    • Cut for 2.02" intake and 1.60" exhaust valves
    • Bronze guides
    • Hardened, Multi-Angle Seat Design
    • High Grade Aluminum Casting
    • Intake flows 288 cfm @ .700" lift
    • Exhaust flows 210 cfm @ .700" lift
     
    Clearance!
     
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 
  • Garage Sale - RHS Bare 167 CC Street Heads
    $199.99
    $269.99
    Garage Sale
    Garage Sale - RHS Bare 167 CC Street Heads
    x
                

    These Pro Topline S/B Chevy heads make more power out of the box than stock GM heads.

    These are Bare Castings and sold Each!!

    Check out these features:

    • 167cc intake runners
    • 76cc combustion chambers
    • Straight spark plug design
    • Cut for 1.94" intake & 1.50" exhaust valves
    • OE pushrod slots (no guide plates)
    • Cut for 1.25" valve springs
    • Cast valve guides
    • Raised valve cover rails
    • Accepts early or late style valve covers
    • Serial numbered for easy identification
    • Low cost

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

  • 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)

  • Garage Sale - RHS Head 200cc/64cc Angle
    $399.99
    $465.99
    Product Rating: 5.00 Stars
    Garage Sale
    Garage Sale - RHS Head 200cc/64cc Angle
    x
                

    These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box.  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
    • Single Street Ready Head

    Application Chart (GIF)

     

    This is garage sale priced because it has been discontinued. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, Angle Plug
    Garage Sale
    Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, Angle Plug
    x
                Please view the product's page for more information
            
  • Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, Angle Plug, 220cc/50cc
    Garage Sale
    Garage Sale - RHS Pro Action Small Block Chevy Cast Iron Head, Angle Plug, 220cc/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 
    • 220cc recommended for 383-400+ c.i. up to 550+ HP

    Application Chart (GIF)

     

    Clearance!! .

     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)

     

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

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

  • Garage Sale - RHS Head 200cc/64cc Angle
    $439.99
    $479.99
    Garage Sale
    Garage Sale - RHS Head 200cc/64cc Angle
    x
                Please view the product's page for more information
            
  • Garage Sale - SBC Remanufactured Cylider Head 1.94Intake 1.50 Exhaust
    Garage Sale
    Garage Sale - SBC Remanufactured Cylider Head 1.94Intake 1.50 Exhaust
    x
                

    SBC 400 cid Remanufactured Cylider Head

    1.94 Intake

    1.50 Exhaust

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

     

  • Garage Sale - RHS Head 200cc/50cc STR
    $439.99
    $479.99
    Garage Sale
    Garage Sale - RHS Head 200cc/50cc STR
    x
                
            
  • 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 

  • 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.

  • Garage Sale - Dart Iron Eagle Assembled Chevy Heads, Straigh Plug, 200CC/64CC
    Garage Sale
    Garage Sale - Dart Iron Eagle Assembled Chevy Heads, Straigh Plug, 200CC/64CC
    x
                Please view the product's page for more information
            
  • Dart 127322 SHP 200CC Assembled Engine Cylinder Head-Small Block Chevy
    Dart 127322 SHP 200CC Assembled Engine Cylinder Head-Small Block Chevy
    x
                The Dart SHP Cylinder Head is cast from A356-T6 aluminum and designed  to work with most off the shelf components, so you won’t need to worry  about acquiring costly custom components.
    • Bolt on compatibility: Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components
    • Multi-angle intake seats and radiused exhaust seats dramatically increase air/fuel flow
    • Hardened exhaust seats are compatible with unleaded gasoline
    • Manganese bronze valve guides extend cylinder head life
    • Assembled with 1.437 diameter valve springs
    • Straight spark plug configuration
    Complete head 200cc intake runner 64CC combustion chamber
    2.02/1.60 valves hydraulic roller springs 1.437 diameter