Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith
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Getting the right mix of fuel and oxygen into your engine can be tricky. Our award winning Techs can help set up a race-winning fuel system that makes serious power, but is reliable enough for your daily driver. From air cleaners to superchargers, Speedway Motors wants to help makes sure you never starve your engine again!

"Air and Fuel Delivery, Fuel Injection" Page 1 of 7

  • Trans-Dapt 2566 Torque Curve MPFI Spacer - GM
    Trans-Dapt 2566 Torque Curve MPFI Spacer - GM
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    This spacer was designed to give you an increase in fuel mileage, torque and throttle response but with ease of installation and a great price. Most others cause unwanted turbulence and create an annoying whistle. Includes hardware and gaskets.

    1999-2006 Chevy/GMC 1500, 2500, 3500 trucks, SUVs, Tahoe, Suburban, Yukon, Escalade, Hummer H2 and Motorhomes with 4.8,5.3, 6.0 and 8.1 engines with multi-port fuel injection.

    720-2566 Instructions (PDF) 

  • Carb and Fuel Pump Fitting, 1/2 Inch-20, AN 6
    Carb and Fuel Pump Fitting, 1/2 Inch-20, AN 6
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    #6 Ford, Chrysler and early Chevy fuel pumps with 1/2"-20 inverted flare thread.

    Fitting Thread Application Chart

  • Injector Stack Wash Plugs, 2.136 - 2.312 Inch, Set/10
    Injector Stack Wash Plugs, 2.136 - 2.312 Inch, Set/10
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    • Tapered plugs for fuel injector stacks
    • Made from high impact plastic
    • Set of 10
  • Rons Racing Products 4020 Replacement Pulley, Belt Drive Pump
    Rons Racing Products 4020 Replacement Pulley, Belt Drive Pump
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                Replacement pulley for Fuel pump kit #910-11580.
    • Flange Diameter:  1.125"
    • Hole Diameter:  0.624"
    • Overall Thickness:  1.215"
    • Depth:  0.493"
    • O.D:  4.262"
    • Tooth Count:  36
  • Hilborn Fuel Injection PG150D/CL S0 1.7 Billet GPM Fuel Pump
    Hilborn Fuel Injection PG150D/CL S0 1.7 Billet GPM Fuel Pump
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    Hilborn's factory flow-tested mechanical fuel pumps can be used with gas, alcohol or nitro applications. Rotation can be easily reversed to accommodate cam drives or belt drives.

    This billet aluminum pump is almost 1-1/2 lbs. lighter than the cast aluminum model. The clamp base model offers you the convenience of a quick disconnect. This pump can be rotated for easy access to fittings. Includes "Y" fitting which converts one #8 outlet to three #6 outlets. 

    Sizes: #00, #0, #S0, #1/2

    The full range of capacity from size #00 through size #1/2 is from .67gpm to 2.22gpm. All pumps rated at 1800rpm with 50psi. 

     

  • Peterson Fluid Systems 09-0910 Panel Mount Fuel Shut Off Valve, AN6
    Peterson Fluid Systems 09-0910 Panel Mount Fuel Shut Off Valve, AN6
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                Panel mount is AN6 male with offset style handle. Fuel cell ball valve mounts in plate, has an extra long bulkhead shaft. Required for many Sprint cars. Will work on our steering mount 546-200. 
            
  • Aluminum Fuel Manifold Fitting
    Aluminum Fuel Manifold Fitting
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                          This handy little aluminum fuel manifold fitting allows you to plumb all your return lines right at the injector. That saves you weight and space because you don't have to run all the lines back to the tank. Choose AN8 or AN10 to lead to three AN6 male ends.            
            
  • Replacement Screen for 97 Carb Scoop
    Replacement Screen for 97 Carb Scoop
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                4.5" x 4.5" flat replacement screen for 97 Carb Scoop 916-11001. Can also be used to make your own custom air intake screen or air filter screen.
            
  • Fuel Injection Wash Plugs, 2-7/16 Inch, Set/8
    Fuel Injection Wash Plugs, 2-7/16 Inch, Set/8
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                These fuel injection plugs have an o-ring for a dirt and water tight seal. Each plug is designed to hold a spark plug and an injection nozzle. Comes in a set of eight for 2-7/16" injection holes. 
  • Kinsler Fuel Injection 3112 Fuel Line Bypass Pill Holder
    Kinsler Fuel Injection 3112 Fuel Line Bypass Pill Holder
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                A must for alky high-volume pumps. Anodized for alky fuels. 2 lb spring included. Outside safety pin. 7 lb or 12 lb bypass spring available. AN6 fittings.

    Can be used as a bypass pressure relief valve for alky or gas carburated fuel systems when installed in a return bypass line. We suggest using the 7lb spring and a 150 pill for the alky application.

  • Kinsler Fuel Injection 2397-8 Injector Nozzle O-Rings, Set of 8
    Kinsler Fuel Injection 2397-8 Injector Nozzle O-Rings, Set of 8
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    Complete sets of eight O-rings for Kinsler constant flow mechanical fuel injector nozzles.

  • Yamaha Intake Adapters, 2003-2010 S Model, 4 Per Kit
    Yamaha Intake Adapters, 2003-2010 S Model, 4 Per Kit
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                Convert your fuel injected Yamaha engine to carburetors in minutes by using these flowed adapters.  Installation kit is complete with 4 boots and 8 clamps.  Accepts stock o-rings.
            
  • Hilborn Fuel Injection F1043F-12 Injection Stack, 2-3/16 Inch
    Hilborn Fuel Injection F1043F-12 Injection Stack, 2-3/16 Inch
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                Lightweight steel. 12" tall with rolled bell for more air flow. These fuel injection stacks are sold individually, so you must purchase eight to get a complete set.
            
  • Professional Products 70026 Powerjection III Fuel Injection System
    Professional Products 70026 Powerjection III Fuel Injection System
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    This complete stand alone plain electronic fuel injection system supports up to 500 horsepower and is by far the simplest and cleanest aftermarket EFI system available. It's also the easiest to install and tune. The "Adaptive Learning" feature eliminates the necessity for laptop programming and tuning, except on the most radical engines. By "cleanest", we mean it has minimal wiring showing, so for those street rod, street machine, and custom car enthusiasts who object to other EFI systems because of all the engine clutter with wires running everywhere, this is the system they have been waiting for. 

    It utilizes a wideband O2 sensor, a feature missing from many competitive units. It also has a 2.5 BAR MAP sensor which means you can run up to 20 PSI of boost if you have a supercharger or turbocharger. The fuel pump comes with a combination heat sink and mounting bracket. The EMS (engine management system) mounts directly on the throttle body eliminating a major portion of the wiring required. This means you do not have to cut a hole into the firewall. Additionally the MAP sensor is packaged into the throttle body which means one less component cluttering up your firewall and no vacuum hose needed to run from the firewall to the manifold. 

    Click HERE to see what is all included! (Link)

  • Aluminum Fuel Line, 3/8 Inch O.D.
    From: $10.99
    Product Rating: 4.67 Stars
    Aluminum Fuel Line, 3/8 Inch O.D.
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                Where else can you buy aluminum fuel line in the size and length you need? This easy-to-flare and bend tubing will save weight and money. 
    • Use with tube nut couplers, sleeves and 37° flared AN fittings
    • Rated to 250 psi
    • Not recommended for high pressure (brake) applications
    • Available in 10 ft., 20 ft., or 30 ft. coils

    Learn more about flaring lines and how to select proper automotive fittings by reading our tech article. The Principles of Automotive Fittings.

  • R2C Performance STK10500 Sprint Car Engine Air Intake Velocity Stacks
    R2C Performance STK10500 Sprint Car Engine Air Intake Velocity Stacks
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                These R2C Sprint Car Air Intake Velocity Stacks are made from high quality magnesium and work with our 2.5" oversized filter for best performance.
    • ASCS stacks for 2.5" oversize filter
    • 2-3/16" in diameter
    • Overall Height: 6.20"
    • Natural finish
    • Magnesium
    • Helps with torque from 2000 RPM through redline. 
  • LS1/LT1 EFI Fuel Line Fitting, -6 AN Male to 3/8 Inch Female, Black
    LS1/LT1 EFI Fuel Line Fitting, -6 AN Male to 3/8 Inch Female, Black
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    • Direct replacement for OEM fuel rail and return line fittings in late-model EFI pressure side application
    • Exclusive SAE quick disconnect threaded aluminum retaining cap for ease of installation and positive engagement under high pressure
    • 37° sealing angle provides a positive seal at maximum operating pressures
    • Black anodized finish
  • Hilborn Fuel Injection F1047-12 Injection Stack, 2-7/16 Inch
    Hilborn Fuel Injection F1047-12 Injection Stack, 2-7/16 Inch
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                Lightweight steel. 12" tall with rolled bell for more air flow. These fuel injection stacks are sold individually, so you must purchase eight to get a complete set.
            
  • Peterson Aluminum Stack Restrictors, 2.425 Inch O.D., Set/8
    Peterson Aluminum Stack Restrictors, 2.425 Inch O.D., Set/8
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    Have to run stacks or sleeves in your injection? Peterson Fluid Systems makes the best flowing restrictors on the market. ASCS legal.

    Set of 8.

  • Rons Racing Product 48XL037SP007 Gold Belt Drive Fuel Pump Pump Pulley
    Rons Racing Product 48XL037SP007 Gold Belt Drive Fuel Pump Pump Pulley
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                Replacement pulley for the Gold Belt-Drive Fuel Pumps 910-11585 and 910-11584.
            
  • Speedway Fuel Injector Pill Box
    Speedway Fuel Injector Pill Box
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                Clear injector pill box for easy selection. Holds up to 16 restrictor pills. Plastic, see-through lid for easy "dial-in". 
            
  • Hilborn H3BF-18 Fuel Injection Hose Line-90 Degree Down Nozzle-18 Inch
    Hilborn H3BF-18 Fuel Injection Hose Line-90 Degree Down Nozzle-18 Inch
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    Hilborn fuel injection 3/16" I.D. hose line for 90° down nozzle heads. Up nozzles have 1/2" tip. Down nozzles have 1" tip.

  • Stromberg 97-Style Extended Throttle Shaft Arm
    Stromberg 97-Style Extended Throttle Shaft Arm
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    Throttle arms to attach linkage to the 0.282" dia., extended shafts on Stromberg 97's, 9 Super 7 ® and Ford/Holley 94 carbs. Use with 3/16" (10-32) heims and linkage.

    560-6180 Instructions (PDF)

  • Three Outlet T-Style Chrome Fuel Block
    Three Outlet T-Style Chrome Fuel Block
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    Speedway fuel blocks provide even fuel distribution for proper fuel flow to multi-carb set-ups. This precision die cast and chrome plated fuel distribution block is designed for three carburetor applications. Fuel log has a single 3/8" NPT fuel inlet with three 1/4" NPT outlets. T-block mounts to your firewall with screws.

    Don't forget to order the suggested hose barb fittings to complete your set-up! For a positive seal, use thread sealing tape on the threads.

  • Kinsler Fuel Injection 3904 High Speed Diaphragm Bypass
    Kinsler Fuel Injection 3904 High Speed Diaphragm Bypass
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    This Kinser diaphragm bypass is used for secondary or high speed bypass on long tracks. Has a restrictor jet provision, neoprene diaphragm for gasoline or methanol, and a hard-anodized aluminum housing. Simple adjustable pop-off pressure using a balde screwdriver and 7/16" wrench.

    Includes -6 AN male flare fittings.

  • Kinsler Flowed Injector Pills
    Kinsler Flowed Injector Pills
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                Kinsler sizes .050-.110. Kinsler pills are offered in great variety for more precise fuel flow control in your fuel injection system.

    Pill size is listed at the end of a part number: 4733715-050 means pill size 050.

  • Holley 4150 Double Pumper Chrome Dual-Feed Fuel Line
    Holley 4150 Double Pumper Chrome Dual-Feed Fuel Line
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                Eliminate ugly fittings and adaptors with this  chrome dual feed line with mandrel bends and  3/8" hose barb inlet  providing excellent fuel flow. Fuel log fits Holley 4150-style  mechanical secondary Double Pumper (center hung float bowl) 4-BBL  carburetors with 9-1/4" centers. 

     

  • -6 AN Carb and Fuel Pump Fitting, 5/8 Inch-18 Inverted Flare Thread
    -6 AN Carb and Fuel Pump Fitting, 5/8 Inch-18 Inverted Flare Thread
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    Fits the Rochester 2GC Carburetor Part Number 455-37001.

    Fitting Thread Application Chart (GIF)

  • Edelbrock 12801 Polished 2-Carb Fuel Block
    Edelbrock 12801 Polished 2-Carb Fuel Block
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    Edelbrock has reintroduced the vintage cast aluminum fuel blocks for dual, triple and quad carb applications for your hot rod or custom. This fuel log features a single 3/8" NPT inlet and two 1/4" NPT outlets. Each fuel distribution block has four holes for mounting to a firewall.

    Polished finish.

  • Aluminum Flare Reducer Adapter, Blue, -6 AN to -8 AN
    Aluminum Flare Reducer Adapter, Blue, -6 AN to -8 AN
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    Aluminum male flare reducer for 37° AN fittngs. Blue anodized finish.

    AN Thread Sizing Guide (GIF)

    Fitting Thread Application Chart (GIF)

  • Red See-Through Fuel Line, 5/16 Inch I.D. x 6 Ft.
    Red See-Through Fuel Line, 5/16 Inch I.D. x 6 Ft.
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                Speedway Red See-Through Fuel Line is the perfect old-time accent to your multi-carb street rod! This specially-formulated, flexible tubing has a 5/16" inside diameter and comes in 6 foot lengths. You can easily trim it to your needs. Works with normal slip-on hose barb fittings and clamps.
            
  • Garage Sale - Mr. Roadster Plain Dual Scoop
    Garage Sale
    Garage Sale - Mr. Roadster Plain Dual Scoop
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    Mount on any single or double carburetor or blower combination. Heavy cast aluminum raw finish. Fits standard 5-1/8" air horn, some drilling required.

     

    THIS IT THE SCOOP ONLY!! 

     

    This is garage sale priced because it has a rough polished finish.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Blue Straight AN12 Flare Adapter to 1/2 Inch Aluminum Pipe Fitting
    Blue Straight AN12 Flare Adapter to 1/2 Inch Aluminum Pipe Fitting
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    These straight flare adaptors connect 1/2" pipe to straight -12 AN fittings. They are lightweight aluminum and feature a 37° sealing angle.  Order your desired size.

    • Precision machined to ensure precise thread engagement
    • Lightweight aluminum fitting
    • -12 AN to 1/2" aluminum pipe
    • 37° sealing angle guarantees a positive seal at maximum operating pressures
    • Available in Blue anodized finish for a custom look

    Fitting Thread Application Chart (GIF)

  • Injector Stack Wash Plugs, 2.395 - 2.602 Inch, Set/10
    Injector Stack Wash Plugs, 2.395 - 2.602 Inch, Set/10
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    • Tapered plugs for fuel injector stacks
    • Made from high impact plastic
    • Set of 10
  • Atomic EFI Throttle Body Master Kit
    $1,999.99
    $2,428.99
    Atomic EFI Throttle Body Master Kit
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    Install Saturday Morning, Make the Cruise Saturday Night with the Atomic Master kit. The Atomic EFI outshines the competition in ease of installation and performance! The MSD annular ring injection design produces an air/fuel charge with much better mixture as well as an even distribution among the cylinders that the competition cannot match. Better AFRs equal better idle quality, better starting, and better overall drivability throughout the rpm range. You and your engine will be glad when you Go Atomic.

    This is the complete kit for anyone planning to convert from a carburetor to Atomic EFI. You get the Throttle Body, Power Module (with Wide Band O2 sensor), Handheld Controller, and the Standard Fuel Kit for up to 525hp (at the crank).

    • Bolts to standard 4 barrel intake manifold
    • 8 wire connection installation
    • Replaces standard square bore carburetor
    • Controls ignition timing
    • Integrated ECU and sensors
    • Single fuel line
    • Self-Tuning
    • No Laptop required
    • 5472900 Atomic EFI TBI Instructions (PDF)
  • Four Outlet T-Style Chrome Fuel Block
    Four Outlet T-Style Chrome Fuel Block
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    Speedway fuel blocks provide even fuel distribution for proper fuel flow to multi-carb set-ups. This precision die cast and chrome plated fuel distribution block is designed for four carburetor applications. Fuel log has a single 3/8" NPT fuel inlet with two 1/4" NPT outlets. T-block mounts to your firewall with screws.

    Don't forget to order the suggested hose barb fittings to complete your set-up! For a positive seal, use thread sealing tape on the threads.

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