Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Cylinder Heads

Shop Oval Track Engines At Speedway Motors

Speedway Motors is the circle track engine authority! Whether you have a Ford or Chevy race motor, Speedway has the engine parts you need at the best prices around. Our large assortment of iron cylinder heads, performance camshafts and racing valve train components allows you to tailor your engine to any racing condition. Speedway also has a variety of durable claimer engine kits, oil pumps and oil pans to help keep costs down without sacrificing performance or reliability.

Featured Products
  • Enginequest IMCA/WISSOTA Small Block Chevy Cylinder Heads
    Enginequest IMCA/WISSOTA Small Block Chevy Cylinder Heads
    (Part #9154622)
    x
                This head is engraved and serial numbered by  Engine Quest for IMCA's Sport Mods, Stock Cars, and Hobby Stocks. Now  approved for WISSOTA Midwest Mods and Street Stocks.

    Assembled heads will include the following:
    • 3/8" screw in studs # 915-99156
    • 76 cc combustion chamber
    • 176-178 cc intake runners
    • Straight plug
    • 1.94/1.50 intake/exhaust valves #910-14140-1 & 910-14145-1
    • Available bare or assembled and blue printed
    • Heavy duty valves
    • Retainers and locks # 915-39741 & 577-555
    • 1.25" high-performance valve springs # 180-671515
    • Three angle valve job


  • Offenhauser 1069-400 1949-53 Ford Flathead Finned Aluminum Heads
    Offenhauser 1069-400 1949-53 Ford Flathead Finned Aluminum Heads
    (Part #5601069)
    x
                These Offy flathead Ford heads are finned for high heat dissipation, bigger water capacity for "built" engines and everybody knows, nothing beats a full-dress flathead for beauty! Heads have a .400" valve relief.

    3-5/16" bore, 4" stroke = 9:1 compression ratio
    3-5/16" bore, 3 3/4" stroke = 8.6:1 compression ratio.

  • Edelbrock 1115 1949-53 Ford Flathead Finned Cylinder Heads, 65cc
    Edelbrock 1115 1949-53 Ford Flathead Finned Cylinder Heads, 65cc
    (Part #3251115)
    x
                

    Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Works well on stock or modified engines. For 1949-1953 Ford 8BA and 8CM Mercury V8 engines (24-stud).

    • The original Edelbrock design
    • Rugged, ribbed internally and externally with a large water capacity
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum
    • Excellent breathing characteristics
    • 8:1 compression with stock bore & stroke
    • C/R increase is approx 3/10 of a percent with each 1/8" stroke
    • Accepts .410" valve lift

    325-1115 Instructions (PDF)

  • Offenhauser 1068-400 1939-48 Ford Flathead Finned Aluminum Heads
    Offenhauser 1068-400 1939-48 Ford Flathead Finned Aluminum Heads
    (Part #5601068)
    x
                These Offy flathead Ford heads are finned for high heat dissipation, bigger water capacity for "built" engines and everybody knows, nothing beats a full-dress flathead for beauty! Heads have a .400" valve relief.

    3-5/16" bore, 4" stroke = 9:1 compression ratio
    3-5/16" bore, 3 3/4" stroke = 8.6:1 compression ratio.

  • Edelbrock 1125 1939-48 Ford Flathead Cylinder Heads
    Edelbrock 1125 1939-48 Ford Flathead Cylinder Heads
    (Part #3251125)
    x
                

    For early Ford and Mercury Flathead 24-stud V8 engines, 1938-1948. Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Work well on stock or modified engines. Has a 65cc chamber producing 8:1 compression with the stock bore & stroke.

    • The original Edelbrock design for Fords and Mercurys
    • Rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum
    • 8.0:1 compression ratio on blocks with a 3/16" base relief (stock bore and stroke)
    • Compression ratio increase is approximately 3/10 of a percent with each 1/8" stroke

    NOTE: These heads should accept .410 valve lift. Edelbrock has changed the spark plug configuration for these heads recently. They now recommend Champion plug 271-RC12YC or Autolite 373-3924.

    325-1125 Instructions (PDF)

  • Edelbrock 1126 1938-1948 Flathead Block Letter Heads
    Edelbrock 1126 1938-1948 Flathead Block Letter Heads
    (Part #3251126)
    x
                

    Edelbrock now offers their 1938-1948 Ford/Mercury 24-Stud Flathead cylinder heads with the traditional block letters Vic Sr. used. Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Works well on stock or modified engines.

    These heads have 65cc chambers producing 8:1 compression with the stock bore & stroke. Plus, they accept up to .410" valve lift for use with most performance cams.

    • The original Edelbrock design for Fords and Mercurys
    • Rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum
    • 8.0:1 compression ratio on blocks with a 3/16" base relief (stock bore and stroke)
    • Compression ratio increase is approximately 3/10 of a percent with each 1/8" stroke

    325-1126 Instructions (PDF)

  • Edelbrock 1116 1949-53 Ford Flathead Cylinder Heads, 74cc
    Edelbrock 1116 1949-53 Ford Flathead Cylinder Heads, 74cc
    (Part #3251116)
    x
                

    Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Works well on stock or modified engines. For 1949-1953 Ford 8BA and 8CM Mercury V8 engines (24-stud).

    • New “raised roof” combustion chamber design
    • Supports high lift cams
    • Perfect for reducing C/R in supercharger applications or on low octane fuel
    • Increased valve clearance and increased flow for more power
    • Rugged, ribbed internally and externally with a large water capacity
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum

    325-1116 Instructions (PDF)

  • World Products Motown 220 Iron Cylinder Heads
    World Products Motown 220 Iron Cylinder Heads
    (Part #8241415)
    x
                

    World Products Motown 220 clearly rates as the ultimate small block cast iron head. It features the latest high tech 64cc chambers and RightCast® 220cc runners to produce a combination of excellent flow and high velocity. With high-flow ports and standard intake valves, Motown 220 heads are the ideal complement to large displacement Small Blocks (383 ci and larger).

    Available bare or in complete assemblies, with angle plug configurations. Bare version is sold each. Flat, Street and Race sold as a pair.

    Cylinder Head Chart (Link)

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  • Garage Sale - Dart Iron Eagle Bare Chevy Cylinder Head, Angle, 215cc/64cc
    Garage Sale
    Garage Sale - Dart Iron Eagle Bare Chevy Cylinder Head, Angle, 215cc/64cc
    (Part #30410020.GS)
    x
                Please view the product's page for more information
            
  • World Products 053030 Small Block Ford Windsor Jr Cylinder Head, Bare
    World Products 053030 Small Block Ford Windsor Jr Cylinder Head, Bare
    (Part #8245303)
    x
                When it comes to high performance replacements for  factory cast iron heads, World’s WINDSOR JR. has the market covered with  180cc intake runners, plus the 64cc exhausts ports are substantially  larger than OEM Ford heads. Add a highly efficient combustion chamber  design and larger valves and you have big bolt-on power. This head is a 50-State emissions legal factory replacement.The WINDSOR series  of heads are the cost-effective choice for serious power from your 302!

    • Head is sold individually
    • Material: High density cast iron
    • Valve Seats: Intake (integral), exhaust (hardened)
    • Valve Guides: Integral cast iron
    • Spring Seats: Machined for 1.560" and 1.250"
    • Intake Runner: 180cc, standard port location
    • Exhaust Ports: 64cc, standard location (dual exhaust bolt pattern to accommodate large custom headers)
    • Combustion Chamber: 58cc
    • Spark Plug: 14mm 5/8" .460" reach tapered style, Accel 276 or 276S or equivalent
    • Valve Job: Multi-angle intake and radiused exhaust
    • Valve Cover Rail: Raised
    • Valve Angle: Stock 20°
    • Accessory Bolt Holes: Stock
  • Flo-Tek 408-500 Big Block Chevy Aluminum Cylinder Head, 360cc, Bare
    Flo-Tek 408-500 Big Block Chevy Aluminum Cylinder Head, 360cc, Bare
    (Part #72250360)
    x
                
    • Head is sold individually
    • 2.250” intake valve, 1.880” exhaust
    • 360cc intake runners 
    • 128cc exhaust runners
    • 121cc chambers
    • PC seals
    • High temp exhaust seats
    • Manganese bronze intake guides
    • Phosphor bronze exhaust guides
    • Multi angle valve job
    • Angle plugs
    • Sold individually
  • World Sportsman II Small Block Chevy Iron Heads, Angle Plug
    World Sportsman II Small Block Chevy Iron Heads, Angle Plug
    (Part #8241112)
    x
                

    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
    (Part #824112-R-1)
    x
                Please view the product's page for more information
            
  • Sportsman 64CC Angle 200 Iron
    $479.99
    Sportsman 64CC Angle 200 Iron
    (Part #8241112-F-1)
    x
                Please view the product's page for more information
            
  • Edelbrock 1126 1938-1948 Flathead Block Letter Heads
    Edelbrock 1126 1938-1948 Flathead Block Letter Heads
    (Part #3251126)
    x
                

    Edelbrock now offers their 1938-1948 Ford/Mercury 24-Stud Flathead cylinder heads with the traditional block letters Vic Sr. used. Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Works well on stock or modified engines.

    These heads have 65cc chambers producing 8:1 compression with the stock bore & stroke. Plus, they accept up to .410" valve lift for use with most performance cams.

    • The original Edelbrock design for Fords and Mercurys
    • Rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum
    • 8.0:1 compression ratio on blocks with a 3/16" base relief (stock bore and stroke)
    • Compression ratio increase is approximately 3/10 of a percent with each 1/8" stroke

    325-1126 Instructions (PDF)

  • Dart Iron Eagle Assembled Chevy Heads, Angle Plug, 200cc/64cc
    Dart Iron Eagle Assembled Chevy Heads, Angle Plug, 200cc/64cc
    (Part #3041001)
    x
                

    These complete Dart Iron Eagle Platinum cylinder heads are professionally assembled right here at Speedway Motors. We offer three different versions of each head (Street Ready, Flat Tappet Ready, Roller Ready) to perfectly suit your racing needs.

    • Standard 23 degree valve angle
    • Standard port location and intake bolt pattern fit most manifolds
    • Pushrod holes enlarged for clearance with high ratio rocker arms
    • Heart shaped chambers improve combustion efficiency
    • Multi-angle intake seats and radiused exhaust seats dramatically increase airflow
    • Hardened exhaust seats compatible with unleaded gasoline
    • Manganese bronze intake valve guides and phosphorous bronze exhaust valve guides extend cylinder head life
    • Spark plug holes are machined for tapered seat 5/8" hex "peanut" spark plugs
    • Dual bolt pattern accepts flange mount and center bolt valve covers

    Head Application Chart (GIF)

    Roller Ready - Please specify cam lift in comments section when ordering.

    Iron Eagle Tech Notes (PDF)

    Dart Installation Note (

  • Dart 127111 SHP 180CC Bare Engine Cylinder Head, Straight, S/B Chevy
    Dart 127111 SHP 180CC Bare Engine Cylinder Head, Straight, S/B Chevy
    (Part #3047111)
    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
    • Machined for 1.250 or 1.437 diameter valve springs
    • Straight spark plug configuration
    180cc Intake port, 64cc combustion Chamber, 2.02/1.60 valve job.  These heads are bare.
  • Dart 127311 SHP 200CC Bare Engine Cylinder Head, Straight, S/B Chevy
    Dart 127311 SHP 200CC Bare Engine Cylinder Head, Straight, S/B Chevy
    (Part #3047311)
    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: 200cc
    • Intake & Exhaust Valves: 2.02/1.60 Valve Job
    • Valve Springs: None
    • Spark Plugs: Straight Plugs
  • Dart Wissota Approved Small Block Chevy Super Stock Head, Complete
    Dart Wissota Approved Small Block Chevy Super Stock Head, Complete
    (Part #3042436)
    x
                

    If you are running a Super Stock at a WISSOTA sanctioned track, these are the heads to use. They are the Dart #10024361.

    • 165cc intake runner
    • 67cc combustion chamber
    • Straight spark plugs
    • Stainless Steel swirl-polished valves (1.94/1.50)
    • Single Spring w/ Damper - Spec Chart (Link)
    • 3/8" screw-in rocker studs
    • Steel retainers and locks 
  • Dart 127121 SHP 180CC Assembled Engine Cylinder Head-Small Block Chevy
    Dart 127121 SHP 180CC Assembled Engine Cylinder Head-Small Block Chevy
    (Part #3047121)
    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 camshaft

    Note:  This head does come with guide plates and studs.

  • World S/R Small Block Chevy Cylinder Heads, Straight Plug, 2.02/1.60 Valves
    World S/R Small Block Chevy Cylinder Heads, Straight Plug, 2.02/1.60 Valves
    (Part #824202)
    x
                

    More performance and less expensive than rebuilding used heads. No more searching junkyards looking for cylinder heads for your motor.Looks like the smog head on the outside, but has racing head features like an extra-thick deck, screw-in rocker arm studs, and raised valve cover rails.

    Use 14 mm-5/8", .460 reach, taper seat spark plugs.

    S/R Head Application Chart (GIF)

  • Dart Iron Eagle Assembled Chevy Heads, Angle Plug, 215cc/49cc
    Dart Iron Eagle Assembled Chevy Heads, Angle Plug, 215cc/49cc
    (Part #3041102)
    x
                Please view the product's page for more information
            
  • World Products 053040-BARE Ford Windsor Sr. Cylinder Head, Bare
    World Products 053040-BARE Ford Windsor Sr. Cylinder Head, Bare
    (Part #8245304)
    x
                

    Jack Roush Racing designed this high density cast iron head to be the most powerful head for 5.0 Fords. When it comes to high performance replacements for factory cast iron heads, World’s WINDSOR SR. boasts 200cc ports and 64cc exhausts ports, which flow a substantially larger volume of air than any OEM Ford head. Add a highly efficient combustion chamber design and larger valves, and you have big bolt-on power! This head is also a 50-State emissions legal factory replacement.

    • Head is sold individually
    • 64cc Combustion Chambers
    • Intake Runner: 200cc
    • Exhaust Port: 64cc
    • Machined for 2.02 Intake & 1.60 Exhaust valves (11/32" stem)
    • Valve Seats: Intake (integral), exhaust (hardened)
    • Valve Guides: Integral cast iron
    • Spring Seats: Machined for 1.560" and 1.250"
    • Raised Valve Cover Rail
    • Spark Plugs: 14MM, .460" Reach with 5/8" Hex Plugs, Tapered Seat
  • World Products 053040-2 Ford Windsor Sr. Complete Cylinder Heads
    World Products 053040-2 Ford Windsor Sr. Complete Cylinder Heads
    (Part #82453040)
    x
                Please view the product's page for more information
            
  • Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
    Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
    (Part #72255320)
    x
                
    • Head is sold individually
    • Stainless swirl polished valves  
    • 2.250” intake valve, 1.880” exhaust
    • 320cc intake runners 
    • 128cc exhaust runners
    • 121cc chambers
    • High performance springs (.600 lift hyd flat tappet)
    • PC seals
    • Hardened locks and retainers
    • 7/16” screw-in studs and guideplates
    • High temp exhaust seats
    • Manganese bronze intake guides
    • Phosphor bronze exhaust guides
    • Multi angle valve job
    • Angle plugs
    • Sold individually
  • RHS Pro Action Small Block Chevy Cast Iron Heads, 200CC / 64CC
    RHS Pro Action Small Block Chevy Cast Iron Heads, 200CC / 64CC
    (Part #5902234)
    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 - World Sportsman II Small Block Chevy Iron Heads, Angle Plug
    Garage Sale
    Garage Sale - World Sportsman II Small Block Chevy Iron Heads, Angle Plug
    (Part #8241112.GS)
    x
                Please view the product's page for more information
            
  • World Sportsman II Small Block Chevy Iron Heads, Straight Plug
    World Sportsman II Small Block Chevy Iron Heads, Straight Plug
    (Part #8241122)
    x
                

    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 heads offer 30-70 horsepower gains over OEM 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
    • 50-State Emissions legal
    • Recommended spark plug is a 14mm-5/8", .460" reach with a tapered seat

    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. 

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