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Speedy Bill
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Cylinder Heads

Shop Cylinder Heads At Speedway Motors

When it comes to the amount of power your engine can produce, the cylinder heads are a major component. Cylinder heads flows fuel/air in and exhaust gases out, so needless to say, it's important in building horsepower and torque. As with most engine components, bigger isn't always better and selecting the right heads is crucial to making big time horsepower. Trust the pros at Speedway Motors to not only help you select the right cylinder heads for your application, but also to get the best prices around.

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


  • Flo-Tek 102505 Assembled S/B Chevy Aluminum Head, Straight Plug
    Flo-Tek 102505 Assembled S/B Chevy Aluminum Head, Straight Plug
    (Part #7222000)
    x
                

    You don't sacrifice quality for a low price - get both with a Flo-Tek aluminum cylinder head. This Chevy aluminum head is loaded with high end features like bronze valve guides, multi angle valve job, and 3/8" screw-in rocker studs with guideplates. This is a pre-1986 design small block Chevy cylinder head with a standard exhaust port design. Heads are sold each.

    • Head is sold individually
    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • 2.02" and 1.60" stainless steel valves
    • High performance springs for .550" lift
    • Compatible with most flat tappet camshafts
    • Five angle valve job
    • Bronze guides
    • Straight plug
    • 3/8" screw-in studs and guide plates
    • Port for temperature probe
    • Works well with most flat tappet street cams

    Flow Numbers:

    • Valve Lift     .400"     .500"     .600"
    • Intake           206       237       244   
    • Exhaust        165       177       187
  • Flo-Tek 203505 Small Block Ford Aluminum Cylinder Head
    Flo-Tek 203505 Small Block Ford Aluminum Cylinder Head
    (Part #7223000)
    x
                

    You don't need to spend a fortune to get a top-performing, lightweight aluminum cylinder head for your small-block Ford V8. This Flo-Tek head has a long list of high-end features, minus the hefty price tag.

    • Head is sold individually
    • 180cc intake runners
    • 62cc exhaust runners
    • 1.94" intake and 1.54" swirl-polished exhaust valves
    • 58cc chambers
    • Performance valve springs (.550 lift)
    • 115 lbs. spring seat pressure
    • Compatible with most flat tappet camshafts
    • Hardened locks and retainers
    • PC seals
    • High-temp exhaust seats
    • Multi angle valve job
    • Bronze guides
    • 3/8" rocker studs and guide plates

    See how this Flo-Tek head stacks up against the competition in Car Craft Magazine's tech article; 6 Small Block Ford Cylinder Heads That Work.

    Head Flow Specs:

    Lift        Intake        Exhaust
    .400      209          137
    .500      223          161
    .600      248          191

  • 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)

  • Flo-Tek 101505 Assembled S/B Chevy Aluminum Head, Angle Plug
    Flo-Tek 101505 Assembled S/B Chevy Aluminum Head, Angle Plug
    (Part #7222200)
    x
                

    You don't sacrifice quality for a low price - get both with a Flo-Tek aluminum cylinder head. This Chevy aluminum head is loaded with high end features like bronze valve guides, Multi angle valve job, and 3/8" screw-in rocker studs with guideplates. These are a pre-1986 design small block Chevy cylinder head.

     


    • Head is sold individually
    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • 2.02" and 1.60" stainless steel valves
    • High performance springs for .550" lift
    • Compatible with most flat tappet camshafts
    • Multi angle valve job
    • Bronze guides
    • 3/8" screw-in studs and guide plates
  • 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)

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"Cylinder Block Components, Cylinder Heads" Page 1 of 4

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  • French Grimes Racesaver Sprint 305 Chevy Brodix Cylinder Heads
    French Grimes Racesaver Sprint 305 Chevy Brodix Cylinder Heads
    (Part #2353050)
    x
                
    • Racesaver Sprint Series spec Brodix cylinder heads
    • Fully assembled
    • Heads are certified serial numbered
    • Ready and legal for use on a 305 c.i. Racesaver engine
  • 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)

  • Garage Sale - RHS Head, 200cc/64cc Straight Plug Head, Flat Tappet
    Garage Sale
    Garage Sale - RHS Head, 200cc/64cc Straight Plug Head, Flat Tappet
    (Part #5902234-F-1)
    x
                Please view the product's page for more information
            
  • Flo-Tek 102500 Bare S/B Chevy Aluminum Head, Straight Plug
    Flo-Tek 102500 Bare S/B Chevy Aluminum Head, Straight Plug
    (Part #7221000)
    x
                

    You don't sacrifice quality for a low price - get both with a of Flo-Tek aluminum cylinder head. This Chevy aluminum head is loaded with high end features like bronze valve guides and a multi angle valve job. These are a pre-1986 design small block Chevy cylinder head. Sold each.

    • Head is sold individually
    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • Machined for 3/8" screw-in studs
    • Machined for 2.02"/1.60" valves
    • Ready for assembly
  • Flo-Tek 102505 Assembled S/B Chevy Aluminum Head, Straight Plug
    Flo-Tek 102505 Assembled S/B Chevy Aluminum Head, Straight Plug
    (Part #7222000)
    x
                

    You don't sacrifice quality for a low price - get both with a Flo-Tek aluminum cylinder head. This Chevy aluminum head is loaded with high end features like bronze valve guides, multi angle valve job, and 3/8" screw-in rocker studs with guideplates. This is a pre-1986 design small block Chevy cylinder head with a standard exhaust port design. Heads are sold each.

    • Head is sold individually
    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • 2.02" and 1.60" stainless steel valves
    • High performance springs for .550" lift
    • Compatible with most flat tappet camshafts
    • Five angle valve job
    • Bronze guides
    • Straight plug
    • 3/8" screw-in studs and guide plates
    • Port for temperature probe
    • Works well with most flat tappet street cams

    Flow Numbers:

    • Valve Lift     .400"     .500"     .600"
    • Intake           206       237       244   
    • Exhaust        165       177       187
  • 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
            
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