Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Suspension

Shop Open Wheel Suspension At Speedway Motors

It seems so simple, right? Go fast and turn left. We know that wheeling a race winning sprint car is hard work and we're here to help you the whole way. We stock the biggest names in suspension like AFCO and Winters and have helped top racers like Swindell & Wolfgang find victory lane more than a few times.

Featured Products
  • Schnee Chassis Sprint Adjusting Shock Collar Clamp
    Schnee Chassis Sprint Adjusting Shock Collar Clamp
    (Part #94036005)
    x
                

    Position the upper mounting point of your shock with these quick clamps. This Sprint adjusting shock collar clamp slides on a 1.250" diameter tube and locks firmly in position for easy height adjustment. The nose wing strap is welded on the tower and not integrated into the clamp.

    • Billet Aluminum Clamp
    • Anodized Black Finish
    • Sold Each
    • Includes Pinch Bolt
  • AFCO 5/8 Inch Shock Bearing
    $10.99
    AFCO 5/8 Inch Shock Bearing
    (Part #1080TX)
    x
                Mid-to-heavyweight cars can destroy a rubber mount bushing in no time.   Instead, use spherical bearings which don't compress and allow operation   at far greater mounting angles. Works with AFCO 5/8" bearing end   shocks (except K-Series).                               
    • 5/8" I.D.
    • 1/2" wide
    • Bearing only
  • Aluminum Swedged Rods, 3/8-24 Threads
    New
    Aluminum Swedged Rods, 3/8-24 Threads
    (Part #910351)
    x
                

    Swedged aluminum steering panhard and radius rods that are 3/4" x .120 round 6061-T6 and tapped R/H & L/H for 3/8"-24 thread rod ends. Stocked in lengths from 4" to 38-1/2"" in 1/2" increments.


  • Speedway Coil-Over Spring Rubbers
    Speedway Coil-Over Spring Rubbers
    (Part #917250)
    x
                

    Fine tune your spring rates with Speedway's spring rubbers. Available in 3/4" or 1" thickness with a full groove on each side to help seat within the spring. Easy installation, can be cut or trimmed to thinner or shorter sizes for minor rate changes.

  • Aluminum Spring Plates
    $4.99
    Aluminum Spring Plates
    (Part #91007165)
    x
                Weld these lightweight plates to radiators for attaching support struts or holding an air box divider tray in place. Two plates per bag.
            
  • Wehrs Machine WM200C Left Rear Brake Combo Birdcage w/Clamp Ring
    New
    Wehrs Machine WM200C Left Rear Brake Combo Birdcage w/Clamp Ring
    (Part #910452001)
    x
                

    This steel Left Rear Brake Combo Birdcage split design allows you to change plates if you need to without removing the hub, brake, and cage. It comes with clamp ring and all hardware.

    • Left Rear Brake Combo
    • Steel bearing
    • No shock mounts
    • Comes with clamp rings and hardware
    • IMCA racing approved
    • Sold Individually

     

  • Zemco Torsion Bar Plastic Bushings
    Zemco Torsion Bar Plastic Bushings
    (Part #94037322)
    x
                

     These blue bushings from Zemco are durable and lightweight plastic. They are stepped and oversized to help eliminate bind and additional reaming.

    • .095" or .120" Torsion Tube
    • Sold Individually
    • Durable and Lightweight
    • Eliminates bind andadditional reaming
  • M&W KPBK-100 Ford Roller Torsional-Thrust Bearing Kit
    M&W KPBK-100 Ford Roller Torsional-Thrust Bearing Kit
    (Part #91032352)
    x
                Torsional bearing kit fits between spindle and axle to eliminate binding.  One kit required per spindle. The ID is 0.885" and the total thickness of the bearing and 2 washers is 0.140" thick.
            

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  • Wehrs Machine WM200NLWL Lightweight Left Rear Quick Adjustable Birdcage
    New
    Wehrs Machine WM200NLWL Lightweight Left Rear Quick Adjustable Birdcage
    (Part #910452003)
    x
                

    This lightweight left rear bronze double shear quick adjust birdcage design allows you to change plates if you need to without removing the hub, brake, and cage. It comes with clamp rings and all the hardware you need.

    • Change plates if you need to without removing the hub, brake, and cage
    • Lightweight quick adjust design
    • For Left Rear
    • Bronze double shear bearing
    • IMCA Racing approved
    • Sold Individually

     

  • FK Rod Ends ALRSM8-6B Black Aluminum Jacobs Ladder Heim Joints, 5/8-18
    FK Rod Ends ALRSM8-6B Black Aluminum Jacobs Ladder Heim Joints, 5/8-18
    (Part #150018)
    x
                Eliminate the need to add a spacer or drill your ladder.  This 3 piece extra strength heim threads into the birdcage and reduces to a 3/8" hole.                               
    • 3 piece extra strength rod end with heavy duty shank
    • Ball is made of 52100 steel, heat treated and hard chrome plated
    • Race is heat treated steel alloy, zinc plated and chromate treated
    • Body si 7075-T6 aluminum with hard black anodize finish
    • Works with 5/8"-18 thread size jam nuts
  • Henchcraft Chassis Mini Lightning Spring Front Spindle
    Henchcraft Chassis Mini Lightning Spring Front Spindle
    (Part #9708014)
    x
                New from Henchcraft Chassis, these spindles  are   designed for   use  on Mini Lightning Sprint 1000cc chassis.  They   feature a lighter and  more durable design than traditional midget components with aircraft  all aluminum construction.
    • Choose left or right side
    • Lighter and more durable than traditional midget components
    • Aircraft aluminum
    • Stepped snout
    • For use on Henchraft Mini Lightning Sprint chassis
  • FK Rod Ends SJM10T Stainless Steel 5/8 Inch RH Male Heim Joint
    FK Rod Ends SJM10T Stainless Steel 5/8 Inch RH Male Heim Joint
    (Part #1750716)
    x
                
    FK SJM-T/SJF-T/SRSM-T Series rod ends feature 3-piece precision stainless steel construction. These self-lubricating, high-strength rod ends feature bodies and races composed of 17-4PH CRES heat-treated stainless steel and a 440C CRES heat-treated stainless steel ball. FK SJM-T/SJF-T/SRSM-T Series rod ends come standard with a PTFE fabric liner bonded to the race i.d.
    • 5/8" RH male threads
    • 3-piece precision stainless steel construction
    • Self-lubricating, high-strength
    • 17-4PH CRES heat-treated stainless steel bodies and races
    • 440C CRES heat-treated stainless steel ball

    Applications: Clutch, brake, steering linkage, and suspension components on moderate horsepower applications.

    Assembly Tip: To ease assembly, be sure to run a tap or die through the threads on chrome plated fasteners and apply an anti-seize compound to prevent galling of the threads.

    FK Rod End Chart (Link)

  • Sprint Axle Radius Rod Kit, Black
    Sprint Axle Radius Rod Kit, Black
    (Part #9402004)
    x
                

    These radius rod kits include everything you need to support the front axle and rear end on your Sprint car.  They come with three different length rods and quality black FK aluminum heims.

        Kit includes:

    • 5/8" NF thread, 1" O.D. black aluminum swedged tubes
    • 18.5", 23.5", 24" and 3 lengths of choice
    • Black FK aluminum heims
    • Plain aluminum jam nuts
  • QA1 5193 51 Series Steel Twin Tube 9 Inch Shock, Comp/Reb 3/3
    QA1 5193 51 Series Steel Twin Tube 9 Inch Shock, Comp/Reb 3/3
    (Part #7215193)
    x
                
    The best keep getting better! QA1 has taken your feedback, added new technology and developed an improved 50 Series shock absorber - the 51 Series. QA1’s 51 Series features a brand new in-house machined body, which has a large inside diameter for easy installation of gas bags. This twin tube shock absorber features hard anodized internals and has a zero gas pressure design providing the most grip on slick tracks and the best feel of any shock. Available in nine inch strokes, the 51 Series is the premium twin tube choice for dirt and asphalt modifieds, late models and super stocks. The 51 Series is manufactured in QA1’s Lakeville, MN facility and is completely racer rebuildable and revalveable.
    • Racer Revalveable & Rebuildable
    • Can Be Run Upside Down
    • Length - 9"   

    Note: Be sure to check compressed and extended lengths carefully for proper fit. QA1 lengths do not necessarily correspond to competitors’ lengths.

    QA1 also offers these shocks in packages specific to a variety of series. Contact QA1 for more information.

    Notes

    Additional Piston Option: QA1 also offers a brand new high-flow linear two port piston for the 51 Series as an additional accessory. This two port piston design allows

  • Stallard Micro Sprint 1 Inch Spindle Pinch Nut
    Stallard Micro Sprint 1 Inch Spindle Pinch Nut
    (Part #9606107)
    x
                These spindle pinch nuts come threaded for use with Micro sprint spindles.  They will work with all popular 1" spindles.
    • Spindle 1" pinch nut
    • used to hold front hubs on Micro's
  • Henchcraft Mini Lightning Sprint Jacobs Ladder W-Link Bolt Kit
    Henchcraft Mini Lightning Sprint Jacobs Ladder W-Link Bolt Kit
    (Part #9708318)
    x
                

    New from Henchcraft Chassis, these jacobs ladder bolt kits are designed for use on Mini Lightning Sprint 1000cc chassis and include all hardware needed for a successful installation.

    • Jacobs ladder bolt kit only
    • 10-piece kit
    • Fastens jacobs ladder straps to paddle
    • Shoulder bolts offer smooth pivoting for straps
    • For use on Henchcraft Mini Lightning Sprint chassis

    Includes:

    • (2)  3/8" x 1" shoulder bolts
    • (4)  3/8" AN washers 
    • (2)  5/16" AN washers
    • (2)  5/16"-18 lock nuts
  • Speedway DSR Crate Engine A-Mod Shock Package
    Speedway DSR Crate Engine A-Mod Shock Package
    (Part #91095003)
    x
                Please view the product's page for more information
            
  • Henchcraft Mini Lightning Sprint Left Rear Birdcage Spacer
    Henchcraft Mini Lightning Sprint Left Rear Birdcage Spacer
    (Part #97083013)
    x
                

    New from Henchcraft Chassis, these aluminum spacers are used on the LR birdcage to space the rear hairpin rod ends away from the birdcage.

    • Sized for proper component alignment
    • Spaces Left Rear birdcage hairpin rod ends
    • Aluminum construction
    • For use on Henchcraft Mini Lightning Sprint chassis
  • QA1 5195-3 51 Series Steel Twin Tube 9 Inch Shock, Comp/Reb 5/3
    QA1 5195-3 51 Series Steel Twin Tube 9 Inch Shock, Comp/Reb 5/3
    (Part #72151953)
    x
                
    The best keep getting better! QA1 has taken your feedback, added new technology and developed an improved 50 Series shock absorber - the 51 Series. QA1’s 51 Series features a brand new in-house machined body, which has a large inside diameter for easy installation of gas bags. This twin tube shock absorber features hard anodized internals and has a zero gas pressure design providing the most grip on slick tracks and the best feel of any shock. Available in nine inch strokes, the 51 Series is the premium twin tube choice for dirt and asphalt modifieds, late models and super stocks. The 51 Series is manufactured in QA1’s Lakeville, MN facility and is completely racer rebuildable and revalveable.
    • Racer Revalveable & Rebuildable
    • Can Be Run Upside Down
    • Length - 9"   

    Note: Be sure to check compressed and extended lengths carefully for proper fit. QA1 lengths do not necessarily correspond to competitors’ lengths.

    QA1 also offers these shocks in packages specific to a variety of series. Contact QA1 for more information.

    Notes

    Additional Piston Option: QA1 also offers a brand new high-flow linear two port piston for the 51 Series as an additional accessory. This two port piston design a

  • Micro Sprint Spindle Pinch Nut Bolts
    Micro Sprint Spindle Pinch Nut Bolts
    (Part #9601014)
    x
                

    These steel pinch nut bolts feature a black oxide finish and are perfect for securing your Micro Sprint spindle pinch nut. 

    • 1" long
    • Steel construction
    • Set of five bolts
  • CSI Adjustable Midget Shocks, 4 Pack
    CSI Adjustable Midget Shocks, 4 Pack
    (Part #9406007)
    x
                

    CSI has done all the homework for you. They incorporate the most current valving combinations and packaged them together at a special price. Included in the package are midget shocks for average, slick and rough track conditions. The RS-12 Twin Tube adjustable shocks come standard in this package. 

    • 4 eye adjustable RS-12 twin tube shocks
    • Most current valving combinations
    • Included are shocks for average, slick and rough track conditions
    • threaded aluminum bodies

    This package is built specifically for midget racing and includes four (4) specifically valved shocks.

    Contact Speedway's Suspension Service Center to customize your own set. 

  • QA1 5173-5 51 Series Steel Twin Tube 7 Inch Shock, Comp/Reb 3/5
    QA1 5173-5 51 Series Steel Twin Tube 7 Inch Shock, Comp/Reb 3/5
    (Part #72151735)
    x
                Please view the product's page for more information
            
  • Henchcraft Chassis Mini Lightning Sprint W-Link Clevis
    Henchcraft Chassis Mini Lightning Sprint W-Link Clevis
    (Part #9708306)
    x
                

    New from Henchcraft Chassis, this Henchcraft clevis captures the Jacobs ladder heim for hook up to birdcage. Clearance exists so chain adjustments will not bind the birdcage.

    • W-link clevis only
    • Aircraft grade aluminum construction
    • For use on Henchraft Mini Lightning Sprint chassis
  • Wehrs Machine WM219 Single Sided Steel Quick Change Pinion Mount Climber
    New
    Wehrs Machine WM219 Single Sided Steel Quick Change Pinion Mount Climber
    (Part #91045219)
    x
                

    This single sided steel Quick Change pinion mount comes with climber gear for easy and fast adjustments. It works on an arc to keep your rearend from tracking right.

    • Comes with climber gear
    • For Quick Change rearends
    • Works on an arc
    • High grade steel construction
    • Sold Individually
  • Wehrs Machine WM200C Left Rear Brake Combo Birdcage w/Clamp Ring
    New
    Wehrs Machine WM200C Left Rear Brake Combo Birdcage w/Clamp Ring
    (Part #910452001)
    x
                

    This steel Left Rear Brake Combo Birdcage split design allows you to change plates if you need to without removing the hub, brake, and cage. It comes with clamp ring and all hardware.

    • Left Rear Brake Combo
    • Steel bearing
    • No shock mounts
    • Comes with clamp rings and hardware
    • IMCA racing approved
    • Sold Individually

     

  • FK Rod Ends SJML8T Stainless Steel 1/2 Inch LH Male Heim Joint
    FK Rod Ends SJML8T Stainless Steel 1/2 Inch LH Male Heim Joint
    (Part #1750815)
    x
                
    FK SJM-T/SJF-T/SRSM-T Series rod ends feature 3-piece precision stainless steel construction. These self-lubricating, high-strength rod ends feature bodies and races composed of 17-4PH CRES heat-treated stainless steel and a 440C CRES heat-treated stainless steel ball. FK SJM-T/SJF-T/SRSM-T Series rod ends come standard with a PTFE fabric liner bonded to the race i.d.
    • 1/2" LH male threads
    • 3-piece precision stainless steel construction
    • Self-lubricating, high-strength
    • 17-4PH CRES heat-treated stainless steel bodies and races
    • 440C CRES heat-treated stainless steel ball

    Applications: Clutch, brake, steering linkage, and suspension components on moderate horsepower applications.

    Assembly Tip: To ease assembly, be sure to run a tap or die through the threads on chrome plated fasteners and apply an anti-seize compound to prevent galling of the threads.

    FK Rod End Chart (Link)

  • QA1 5176-4 51 Series Steel Twin Tube 7 Inch Shock, Comp/Reb 6/4
    QA1 5176-4 51 Series Steel Twin Tube 7 Inch Shock, Comp/Reb 6/4
    (Part #72151764)
    x
                Please view the product's page for more information
            
  • Speedway Bump Stop Dividers for 1/2 Inch Shaft
    Speedway Bump Stop Dividers for 1/2 Inch Shaft
    (Part #91045705)
    x
                These are a great tool for fine-tuning your bump  stop system. The  steeper the dish, the less progressive the bump stop  will be. Best  suited for use with multiple puck-style bump stops.
    • For shocks with 1/2" shaft diameters
    • Anodized aluminum
    • Available in 4 tapers:
      • 0 deg. - Black
      • 5 deg. - Blue
      • 10 deg. - Gold
      • 15 deg. - Red
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