Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Disc Brake Upgrade Kits

Shop Open Wheel Brakes & Hubs At Speedway Motors

Speedway Motors has the brake components you need for the rigors of open wheel racing. We carry top quality rotors and calipers for Sprints, Mini Sprints, and Midgets, as well as lightweight aluminum hubs to mount your brakes. Our complete assortment of brake pads will help you dial in your brakes for track conditions. Choose from a great selection of master cylinders and high temp racing brake fluid as well. Trust Speedway Motors with all your sprint car braking needs!

Featured Products
  • Sprint Left Front Brake Kit with Speedway Brake Rotor
    Sprint Left Front Brake Kit with Speedway Brake Rotor
    (Part #91031960)
    x
                We put together this left front brake kit for the racer looking for the best quality while keeping cost down. Included is a Wilwood Dynalite caliper with 3.25" mounts, 2 brake pads, a 10.875" aluminum Speedway brake rotor and mounting bolts. 

    Components also available separately.

  • Wilwood Sprint Right Rear Brake Kit
    Wilwood Sprint Right Rear Brake Kit
    (Part #91031970)
    x
                With this kit you get a Wilwood Dynalite caliper with 3.25" mounts, 2 brake pads, a 10.3", .312" thick aluminum splined Wilwood rotor.

    Components also available separately.

    Wilwood's 3.00" x 42 splined axle mount rotors are manufactured from the same high strength billets with the same precision as the 3 hole mount front rotors. Full symmetrical machining provides perfect balance, perfect flatness and the truest rotation of any aluminum rotor being built. Wilwood's engineered drill and relief slot pattern combines the highest degree of weight reduction with the highest resistance to thermal distortion in the contact faces. You get smooth engagement and a consistent full pedal from the low kick-back characteristics of this design. A durable black anodized finish prevents corrosion and simplifies the visual inspection of the contact faces.


    Wilwood’s Billet Dynalite Single utilizes close tolerance design and manufacturing techniques which results in the most rigid, lightweight and attractive caliper in the evolution of the Dynalite Single Series. Starting at 1.58 pounds, the Billet Dynalite Single is perfect for compact high performance braking as required in Open Wheel, Drag, Modified, Kart, Motorcycle and Off Road applications.

     
    The two piston caliper is rigid, lightweight and holds a .49” thick, 1.1 cubic inch brake pad. Internal fluid passage and multiple bleed fittings permit right or left, front or rear mounting options with either 3.25” or 3.75” lug spacing, and will fit .25” to .38” thick rotors with diameters from 6.00” to 13.00”. High temperature square piston seals control piston retraction while the stainless steel deep cup pistons reduce heat transfer from the pad to the brake fluid. Calipers accept 1/8-27 NPT inlet fitting and come standard with the exclusive re-usable pad retainer clip.  

    The Billet Dynalite Single comes standard with black anodized coating. The machining versatility of CNC equipment sculpts a part that enhances wheel and suspension detail while maintaining the close tolerance design attributes of the Dynalite Single Series.  

    The pistons incorporate a stainless steel shield and coated aluminum shell configuration to provide a highly efficient thermal barrier between the brake pads and the caliper body, seals, and fluid. Lower operating temperatures eliminate seal crystallization and localized fluid boiling while providing longer caliper service life through decreased distortion in the caliper body and piston bores.  
  • Ultra-Lite Sprint Car Left Front Brake Kit, Titanium Rotor, Round
    Ultra-Lite Sprint Car Left Front Brake Kit, Titanium Rotor, Round
    (Part #94031020)
    x
                Left front 10" titanium rotor with left front single piston caliper. Left front brake bracket 3-1/4" mount, 3 rotor mount bolts, 2 pads. 

    Tech Tip: Take the right rear brake off and put it on the left rear. It works like a tie down shock.

    All Ultra Lite brake rotors are ceramic coated and must be beded in correctly. Only use full metallic brake pads!

  • Ultra Lite 410-8100 Sprint Inboard Brake Kit, Titanium Rotor
    Ultra Lite 410-8100 Sprint Inboard Brake Kit, Titanium Rotor
    (Part #94031000)
    x
                

    Save weight and increase braking with this lightweight rear brake kit.  The .810"x 10.4" rotor is ceramic coated for durability and performance and is mated to a billet caliper.  The NEW improved FeatherLite Sprint Inboard caliper uses three retaining pins to secure the brake pads.  Also NEW is the heavy duty 4 bolt Inboard Caliper Bracket available for both standard and small bells.  The FeatherLite Caliper combined with our Ceramic Coated Titanium Rotor offers the best braking ability for your Sprint Car!

    Ultra Lite Midget Sprint Inboard Brake Kit, Standard Titanium Rotor, 2 Bolt Mount

    Lightest rotating mass of any .810 sprint car brake. Weighs only 2 lb, 11 oz for titanium. 4 piston caliper and brackets.

    Includes:

    • (1) rotor
    • (2) pads
    • (1) caliper
    • bracket
    • clamp
    • hardware
  • Wilwood 140-12764 NDL Radial Mount Rear Brake Kit, 12.00, Ti Rotor
    New
    Wilwood 140-12764 NDL Radial Mount Rear Brake Kit, 12.00, Ti Rotor
    (Part #83514012764)
    x
                Billet Narrow Dynalite Radial Sprint Inboard Kit Features: A fully engineered bolt-on brake system for sprint car quick change rears with 3.00 x 46 splined axles. With 12.00" x .360 solid Titanium rotor and a newly designed dynamic mount rotor axle clamp, offer the lowest rotating weight available for Sprint racing. "¢ The lightweight advantages of Wilwood Sprint rotors are fortified with the high durability, long wear, and superior heat control properties of advanced materials. "¢ Newly redesigned Nickel Billet Dynalite Radial mount calipers with Composition Metallic pads, produce superior stopping power and consistent fade-free response. Kit includes Axle Clamp with Dual Mount Rotor Adapter with T-nuts, radial mount bracket assembly and mounting hardware.

    Installation Instructions (PDF)

  • Inboard Sprint Car Brake Kit w/ Drilled .810 Inch Iron Rotors
    Inboard Sprint Car Brake Kit w/ Drilled .810 Inch Iron Rotors
    (Part #91031980)
    x
                Get the hot new Wilwood NDL caliper, 2 brake bads, axle clamp with bolts and Speedways solid mount, drilled 12.19" x .810" iron rotor. 

    Components available separately.

  • Sprint Left Front Brake Kit with Wilwood Rotor
    Sprint Left Front Brake Kit with Wilwood Rotor
    (Part #91031965)
    x
                We put together this left front brake kit for the racer looking for the best quality while keeping cost down. Included is a Wilwood Dynalite caliper with 3.25" mounts, 2 brake pads, a 10.2" Wilwood rotor and rotor mounting bolts. 

    Components also available separately.

  • Wilwood 140-13496 NDL Radial Mount Rear Brake Kit, 11.75 Vented Rotor
    New
    Wilwood 140-13496 NDL Radial Mount Rear Brake Kit, 11.75 Vented Rotor
    (Part #83514013496)
    x
                Billet Narrow Dynalite Radial Sprint Inboard Kit Features: A fully engineered bolt-on brake system for sprint car quick change rears with 3.00 x 46 splined axles. With 11.75" x .810 vented rotor and a newly designed dynamic mount rotor axle clamp, offer the lowest rotating weight available for Sprint racing. "¢ The lightweight advantages of Wilwood Sprint rotors are fortified with the high durability, long wear, and superior heat control properties of advanced materials. "¢ Nickel Plated Billet Dynalite Radial mount calipers with BP-40 pads; produce superior stopping power and consistent fade-free response. Kit includes Axle Clamp with Dual Mount Rotor Adapter with T-nuts, radial mount bracket assembly and mounting hardware.

    Installation Instructions (PDF)

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  • Inboard Sprint Car Brake Kit w/ Drilled .810 Inch Iron Rotors
    Inboard Sprint Car Brake Kit w/ Drilled .810 Inch Iron Rotors
    (Part #91031980)
    x
                Get the hot new Wilwood NDL caliper, 2 brake bads, axle clamp with bolts and Speedways solid mount, drilled 12.19" x .810" iron rotor. 

    Components available separately.

  • Garage Sale - Ultra Lite Complete Late Model Brake Kit, Right Front
    Garage Sale
    Garage Sale - Ultra Lite Complete Late Model Brake Kit, Right Front
    (Part #94031052)
    x
                

    Ultra Lite has come up with a complete brake kit for each corner of your dirt late model.  Includes billet, oil-filled roller bearing hubs, .810" X 10.5" scalloped steel rotors, gun drilled steel studs with aluminum lug nuts, radial mount calipers with specifically sized pistons to facilitate turning the car.  Hardware, pads, heat shields, and rotor adapters also included. 

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Wilwood 140-13502 Dynapro Single Rear Brake Kit, 10.2 In Alum. Rotor
    Wilwood 140-13502 Dynapro Single Rear Brake Kit, 10.2 In Alum. Rotor
    (Part #83514013502)
    x
                

    The Dynapro Single Right Rear Sprint & Midget kits are a further evolution of a proven design from Wilwood’s 35+ years of engineering and producing the best open wheel braking systems. Dynapro single calipers have full 2.40 square inches of area for increased clamping force. Right Rear Kits contain Aluminum rotors for maximizing weight saving and maximizing brake torque. Right Rear brakes can also provide ‘loading’ the rear suspension for additional handling. Kits come complete with caliper, brake pads; caliper mounting brackets, caliper mount bolt kit and rotor.

    • Caliper:
      • Dynapro Single
      • Nickel plate finish
      • 2 piston
      • 2.40" piston area
      • Stainless piston
      • Lug mount type
      • 3" brake pad area
      • Polymatrix Q pad compound
    • Rotor:
      • Aluminum
      • Drilled
      • Black Electro coat
      • 10.2" O.D.
      • 0.31" width
      • Solid vane

    Note: This brake kit has an axle offset of 0

    14013502 Brake Kit Assembly Schematic

  • Wilwood 140-11762 Titanium Inboard Brake Kit
    $1,004.99
    $1,107.99
    Wilwood 140-11762 Titanium Inboard Brake Kit
    (Part #83514011762)
    x
                

    Dynapro Radial Sprint Inboard Kit Features: A fully engineered bolt-on brake system for sprint car quick change rears with 3.00 x 46 splined axles. With titanium or Super Alloy.810 vented discs and a newly designed dynamic mount rotor axle clamp, are the lowest rotating weights available for Sprint racing. The lightweight advantages of the titanium rotor are fortified with the high durability, long wear, and superior heat control properties of advanced PolyMetallic coating technology. Forged billet DynaPro radial mount calipers with Composition Metallic pads, produce superior stopping power and consistent fade-free response. Kit includes Axle Clamp with Dynamic Mount Rotor Adapter assembly with T-nuts and Radial Mount Bracket and mounting hardware.

    Instructions (PDF) 

  • Sprint Left Front Brake Kit with Speedway Brake Rotor
    Sprint Left Front Brake Kit with Speedway Brake Rotor
    (Part #91031960)
    x
                We put together this left front brake kit for the racer looking for the best quality while keeping cost down. Included is a Wilwood Dynalite caliper with 3.25" mounts, 2 brake pads, a 10.875" aluminum Speedway brake rotor and mounting bolts. 

    Components also available separately.

  • Ultra Lite Midget Sprint Inboard Brake Kit, Steel Rotor, 2 Bolt Mt.
    Ultra Lite Midget Sprint Inboard Brake Kit, Steel Rotor, 2 Bolt Mt.
    (Part #94031001)
    x
                

    Save weight and increase braking with this lightweight rear brake kit.  The .810"x 10.4" rotor is ceramic coated for durability and performance and is mated to a billet caliper.  The NEW improved FeatherLite Sprint Inboard caliper uses three retaining pins to secure the brake pads.  Also NEW is the heavy duty 4 bolt Inboard Caliper Bracket available for both standard and small bells.  The FeatherLite Caliper combined with our Ceramic Coated Steel Rotor offers the best braking ability for your Sprint Car!

    Ultra Lite Midget Sprint Featherweight Inboard Brake Kit, Standard Steel Rotor, 2 Bolt Mount

    Lightest rotating mass of any .810 sprint car brake.  4 piston caliper and brackets.

    Includes:

    • (1) rotor
    • (2) pads
    • (1) caliper
    • bracket
    • clamp
    • hardware

     

  • Wilwood 140-11507 Billet  Dynalite Radial Mnt Sprint Inboard Brake Kit
    Wilwood 140-11507 Billet Dynalite Radial Mnt Sprint Inboard Brake Kit
    (Part #83514011507)
    x
                Please view the product's page for more information
            
  • Sprint Car Left Rear Brake Kit with Titanium Rotor
    Sprint Car Left Rear Brake Kit with Titanium Rotor
    (Part #94031026)
    x
                10" floating titanium rotor and mount, 4 piston caliper series 240. Left rear bracket for Eagle or Maxim double bearing birdcages. 2 pads. 

    Tech Tip: Take the right rear brake off and put it on the left rear. It works like a tie down shock.

    All Ultra Lite brake rotors are ceramic coated and must be beaded in correctly. Only use full metallic brake pads!

  • Wilwood 140-10797 Billet  Dynalite Radial Mnt Sprint Inboard Brake Kit
    Wilwood 140-10797 Billet Dynalite Radial Mnt Sprint Inboard Brake Kit
    (Part #83514010797)
    x
                

    These Billet Narrow Dynalite Radial Sprint Inboard kits feature a fully engineered bolt-on brake system for sprint car quick change rears with 3.00 x 46 splined axles.

    With titanium, Super Alloy or Steel, .810 vented or solid discs and a newly designed dynamic mount rotor axle clamp, are the lowest rotating weights available for Sprint racing. 

    • Lightweight rotors with high durability, long wear, and superior heat control properties
    • Billet Dynalite Radial mount calipers with either Composition Metallic or BP-40 pads, produce superior stopping power and consistent fade-free response. 
    • .810 x 12.19" rotor
    • Kit includes Axle Clamp with Dual Mount Rotor Adapter with T-nuts, radial mount bracket assembly and mounting hardware.

    83514010797 Wilwood Brake Kit Instructions (PDF)

  • Garage Sale - Ultra Lite Midget Spring Inboard Brake Hub
    Garage Sale
    Garage Sale - Ultra Lite Midget Spring Inboard Brake Hub
    (Part #UP33019)
    x
                

    Save weight and increase braking with this lightweight rear brake hub.  Made of light weight aluminum.

     

    This is garage sale priced because it is only the hub. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  

  • Ultra-Lite Sprint Car Left Front Brake Kit, Titanium Rotor, Scalloped
    Ultra-Lite Sprint Car Left Front Brake Kit, Titanium Rotor, Scalloped
    (Part #94031022)
    x
                Left front 10" titanium rotor with left front single piston caliper. Left front brake bracket 3-1/4" mount, 3 rotor mount bolts, 2 pads. 

    Tech Tip: Take the right rear brake off and put it on the left rear. It works like a tie down shock.

    All Ultra Lite brake rotors are ceramic coated and must be beded in correctly. Only use full metallic brake pads!

  • Ultra Lite Titanium Sprint Right Rear Brake Kit
    Ultra Lite Titanium Sprint Right Rear Brake Kit
    (Part #94031024)
    x
                10" floating titanium rotor and mount, 4 piston caliper series 200. Right rear bracket for Eagle or Maxim double bearing birdcages. 2 pads. 

    Tech Tip: Take the right rear brake off and put it on the left rear. It works like a tie down shock.

    All Ultra Lite brake rotors are ceramic coated and must be beaded in correctly. Only use full metallic brake pads!

  • Ultra Lite 410-8110 .810 Inch Titanium Rotor Inboard Kit, 4 Bolt Mount
    Ultra Lite 410-8110 .810 Inch Titanium Rotor Inboard Kit, 4 Bolt Mount
    (Part #94031056)
    x
                

    Save weight and increase braking with this lightweight rear brake kit.  The .810"x 10.4" rotor is ceramic coated for durability and performance and is mated to a billet caliper.  The NEW improved FeatherLite Sprint Inboard caliper uses three retaining pins to secure the brake pads.  Also NEW is the heavy duty 4 bolt Inboard Caliper Bracket available for both standard and small bells.  The FeatherLite Caliper combined with our Ceramic Coated Titanium Rotor offers the best braking ability for your Sprint Car!

    Ultra Lite .810 Inch Drilled and Slotted Titanium Rotor Inboard Kit HD - 4 Bolt Mount

    Lightest rotating mass of any .810 sprint car brake. Weighs only 2 lb, 11 oz for titanium. 4 piston caliper and brackets.

    Includes:

    • (1) rotor
    • (2) pads
    • (1) caliper
    • bracket
    • clamp
    • hardware

     

  • Garage Sale - Ultra Lite Complete Late Model Brake Kit, Left Front
    Garage Sale
    Garage Sale - Ultra Lite Complete Late Model Brake Kit, Left Front
    (Part #94031051)
    x
                

    Ultra Lite has come up with a complete brake kit for each corner of your dirt late model.  Includes billet, oil-filled roller bearing hubs, .810" X 10.5" scalloped steel rotors, gun drilled steel studs with aluminum lug nuts, radial mount calipers with specifically sized pistons to facilitate turning the car.  Hardware, pads, heat shields, and rotor adapters also included. 

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Wilwood 140-11773 Stainless Left Front Rotor Kit
    Wilwood 140-11773 Stainless Left Front Rotor Kit
    (Part #83510798)
    x
                

    Wilwood’s GP320 Sprint Left Front Brake kit offers increased braking torque and thermal performance of the GP320 4 piston calipers. A definitive increase in braking and durability over traditional aluminum or steel rotor systems. Mounts are included for standard Sprint spindle to match the included 10.50 x 0.19” Super Alloy rotor. Also includes Composition Metallic brake pads, lightweight aluminum dynamic mount 3-pin rotor adapter and T-nut hardware kit.

    Instructions (PDF)

  • Wilwood 140-13496 NDL Radial Mount Rear Brake Kit, 11.75 Vented Rotor
    New
    Wilwood 140-13496 NDL Radial Mount Rear Brake Kit, 11.75 Vented Rotor
    (Part #83514013496)
    x
                Billet Narrow Dynalite Radial Sprint Inboard Kit Features: A fully engineered bolt-on brake system for sprint car quick change rears with 3.00 x 46 splined axles. With 11.75" x .810 vented rotor and a newly designed dynamic mount rotor axle clamp, offer the lowest rotating weight available for Sprint racing. "¢ The lightweight advantages of Wilwood Sprint rotors are fortified with the high durability, long wear, and superior heat control properties of advanced materials. "¢ Nickel Plated Billet Dynalite Radial mount calipers with BP-40 pads; produce superior stopping power and consistent fade-free response. Kit includes Axle Clamp with Dual Mount Rotor Adapter with T-nuts, radial mount bracket assembly and mounting hardware.

    Installation Instructions (PDF)

  • Wilwood Sprint Right Rear Brake Kit
    Wilwood Sprint Right Rear Brake Kit
    (Part #91031970)
    x
                Please view the product's page for more information
            
  • Wilwood 140-13666-R Forged Superlite 4R Rear Parking Brake Kit, 14 In
    Wilwood 140-13666-R Forged Superlite 4R Rear Parking Brake Kit, 14 In
    (Part #83514013666R)
    x
                Please view the product's page for more information
            
  • Garage Sale - Ultra Lite Complete Late Model Brake Kit, Right Rear
    Garage Sale
    Garage Sale - Ultra Lite Complete Late Model Brake Kit, Right Rear
    (Part #94031054)
    x
                

    Ultra Lite has come up with a complete brake kit for each corner of your dirt late model.  Includes billet, oil-filled roller bearing hubs, .810" X 10.5" scalloped steel rotors, gun drilled steel studs with aluminum lug nuts, radial mount calipers with specifically sized pistons to facilitate turning the car.  Hardware, pads, heat shields, and rotor adapters also included. 

     

    Clearance!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • Wilwood 140-13501 DPS-LW Right Rear Sprint Brake Kit, 10.95 Inch Rotor
    Wilwood 140-13501 DPS-LW Right Rear Sprint Brake Kit, 10.95 Inch Rotor
    (Part #83514013501)
    x
                

    The Dynapro Single Right Rear Sprint & Midget kits are a further evolution of a proven design from Wilwood’s 35+ years of engineering and producing the best open wheel braking systems. Dynapro single calipers have full 2.40 square inches of area for increased clamping force. Right Rear Kits contain Aluminum rotors for maximizing weight saving and maximizing brake torque. Right Rear brakes also provide ‘loading’ the rear suspension for additional handling.

    Kits come complete with:

    • Caliper brake pads
    • Caliper mounting brackets
    • Caliper mount bolt kit and rotor

    Calipers:

    • Dynapro Single
    • 2 piston count
    • Stainless piston type
    • Lug mount type
    • Nickel Plate finish

    Rotors:

    • 10.95" diameter
    • 0.31" width
    • Aluminum
    • Drilled style
    • Black Electro Coat surface finish
    • Solid vane count

    Note: This brake kit has an axle offset of 0

    14013501 Brake Kit Assembly Schematic

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