Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Disc Brakes and Accessories

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
  • Speedway 156 Hard Brake Pad
    $8.99
    Speedway 156 Hard Brake Pad
    (Part #9191566)
    x
                

    For Ultra Lite single piston floating caliper, Outlaw 1000 and Wilwood Dynalite Single.

    .450" thick, 1.97" long, 589 A Compound

    Tech Tip:  Only use full metallic pads on coated rotors.

    Brake Pad Brand Guide (Link)

    Learn how to properly Bed-In your brake pads by reading our tech article.  Bedding-In Brake Pad Procedure.

     

  • Wilwood 120-4062 Billet Dynalite Single Caliper, 3.25 In Mnt, 1.75/.38
    Wilwood 120-4062 Billet Dynalite Single Caliper, 3.25 In Mnt, 1.75/.38
    (Part #8351204062)
    x
                

    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.

    • Lightweight, compact design with two stainless steel 1-3/4" pistons
    • Use with .38" rotors
    • Has 3-1/4" mount centers
    • Uses "Single Quick-Change" style pads

    Wilwood Dynalite Dimensions (Link)

  • AFCO 7242-0092 F88i Series 1.25 Inch Caliper Bridge Bolt Kit
    AFCO 7242-0092 F88i Series 1.25 Inch Caliper Bridge Bolt Kit
    (Part #10672420092)
    x
                

    Assorted Service Parts for F88i Series Calipers made by US Brake.

    Racer Note: Racing brake calipers, if properly maintained, can generally be used for several racing seasons. Frequent replacement of the caliper pistons and seals will increase caliper life and performance.

    Caliper Piston Tech Note (Link)

     

  • Afco 6690246 Bridge Bolt Kit for 1.25 Inch F88 Forged Aluminum Caliper
    Afco 6690246 Bridge Bolt Kit for 1.25 Inch F88 Forged Aluminum Caliper
    (Part #1066690246)
    x
                

    These bridge bolt kits are intended to service F88 forged aluminum Afco calipers.  Their extreme duty steel construction adds 10-30% stiffness vs. billet caliper models.

    • For F88 Afco forged aluminum calipers
    • 1.25" caliper
    • Includes: Bridge bolt kit

    Racer Note: Racing brake calipers, if properly maintained, can generally be used for several racing seasons. Frequent replacement of the caliper pistons and seals will increase caliper life and performance.

  • Afco 6640121 Slotted Pillar Vane RH Iron Brake Rotor, 11.75 x 1 Inch
    Afco 6640121 Slotted Pillar Vane RH Iron Brake Rotor, 11.75 x 1 Inch
    (Part #1066640121)
    x
                

    This cast iron RH slotted pillar vane rotor from AFCO is designed to give superior strength, decrease rotor weight, and run cooler. Each pillar is diamond shaped and precisely positioned to optimize pad surface support thereby eliminating rotor cupping.

    • Manufactured with premium grade alloys to thermal shock stability
    • Double disked ground to ensure precise flatness
    • Slotted to eliminate brake grassing to reduce pad tapper and increase contact between rotor and pad
    • Rotationally balanced to reduce vibration and improve traction

    Instructions (PDF)

  • M&W MBCB-3 Left Front Caliper Bracket
    M&W MBCB-3 Left Front Caliper Bracket
    (Part #95031014)
    x
                For 3.25" spindle and 3.25" calipers. Fits 10" rotor. 
            
  • Wilwood 160-13500 GT 48 Curved Vane Spec-37 LH Iron Rotor, 11.75 Inch
    Wilwood 160-13500 GT 48 Curved Vane Spec-37 LH Iron Rotor, 11.75 Inch
    (Part #83516013500)
    x
                

    Wilwood's GT 48 Curved Vane Spec-37 rotors are manufactured from a proprietary iron alloy developed to withstand extreme temperatures with the highest possible degree of resistance against distortion, warping, cracking, and wear. The formulation for this alloy is a derivative of technology and materials that were significant in the development of the extreme duty military spec rotors that are manufactured by Wilwood. Every Spec 37 rotor is precision machined to less than .001" run-out, flatness, and parallelism. Combined with the proven GT Series asymmetrical face slot pattern and individual dynamic balancing, you are assured the smoothest, vibration free performance at any speed. These rotors provide the highest cooling capacity and longest service life for extreme braking short tracks and road course competition.

    • Spec-37 Iron
    • 10.4 Pounds
    • Width: 1.21 Inch
    • Diameter: 11.75 Inch
    • Mount Side: LH
    • Vane Count: 48 CV
    • Type: GT
    • Style: GT Slotted
    • Surface Finish: Plain
    • Balanced
    • Suitable for high temperature racing to street use

    Notes:

    Proper Break-In Procedure for Steel or Cast Iron Rotors

    New steel/iron rotors should be bedded in before being used in racing conditions. Proper bedding will prepare the rotor surface, prolong the rotor's life, and make it more resistant to thermal checking or cracking under severe braking conditions. The following procedures should be performed when bedding in both steel and cast iron rotors. It is best to bed in a new rotor using a used set of pads, preferably ones which will not create heat rapidly. Generating heat too rapidly will thermal shock the rotors. Likewise, when bedding in a new set of brake pads it is best to perform the process on a used rotor. This new/used bedding process permits controlled bedding of each individual component.

    Make sure rotor surfaces are free from oils, grease, and brake fluid. Run vehicle up to a moderate speed and make several medium deceleration stops to heat up the rotor slowly. This will help reduce the chance of thermal shock caused by uneven heating of the rotor. Pull into the pits and allow the rotor to cool to ambient air temperature. Care should be taken not to ride the brakes into the pits as this may hot spot the rotor causing premature wear to the surface or structural damage.

    Check out our tech article; "Bedding-In Brake Pad Procedure" for more information on this process.

  • Inboard Brake Clamp Spacer
    $19.99
    Inboard Brake Clamp Spacer
    (Part #9402299)
    x
                Black anodize brake clamp spacer for floating one-piece brake mount. 
            

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"Open Wheel, Disc Brakes and Accessories" Page 1 of 29

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  • Wilwood 250-13365 NDLR Radial Mount Caliper Bracket 11.75-12.19 Rotors
    Wilwood 250-13365 NDLR Radial Mount Caliper Bracket 11.75-12.19 Rotors
    (Part #83525013365)
    x
                

    These radial mount caliper brackets are designed for use with 11.75" to 12.19" rotors.  They fit Wilwood NDLR style racing calipers and come with all necessary hardware.

    • Radial mount caliper bracket kit
    • 11.75" to 12.19" rotors
    • Billet aluminum
    • Wilwood NDLR style calipers
    • Hardware included
  • 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.

  • Wilwood 160-10475 Drilled Steel Scalloped Rotor, 11 x .310 - 3 x 5 In.
    Wilwood 160-10475 Drilled Steel Scalloped Rotor, 11 x .310 - 3 x 5 In.
    (Part #83516010475)
    x
                

    Wilwood's Drilled Steel brake rotors provide a durable lightweight option in applications where sustained temperatures remain in the low to moderate range, and high heat spikes are only observed on an intermittent basis. Steel rotors are typically found in lighter weight open wheel cars such as sprints and modifieds. A special alloy and proprietary manufacturing processes give these rotors high resistance to thermal distortion with excellent friction and wear characteristics against the pads.

    • Solid steel 
    • Front mounted
    • Bolt Circle: 3 x 5"
    • Threads:  Thru
    • Weight: 3.2 lbs
    • Face: drilled & scalloped

    CRotor Measure Schematic 

    Steel Front Rotor Application Chart

  • Wilwood 120-13529-BK Forged Dynalite-M Disc Brake Caliper, Black
    Wilwood 120-13529-BK Forged Dynalite-M Disc Brake Caliper, Black
    (Part #83512013529BK)
    x
                

    The Forged Billet Dynalite-M is specifically designed to enhance outboard clearance and is the basis for Wilwood’s new Classic Style brake kits. The latest applied developments and innovations in caliper design and manufacturing processes have resulted in substantial improvements in strength and performance over all comparable models.

    • Aluminum construction
    • Black Powder coat finish
    • 3.3 Pounds
    • Mount Center: 5.25 Inches
    • Mount Type: Lug
    • Mount Side: Universal
    • Type: Stainless
    • 4 Piston
    • Minimum Rotor Diameter: 10.00"
    • Maximum Rotor Diameter: 13.06"
    • Rotor Width: 1"
    • Piston Bore: 1.75"
    • Inlet Thread Size: 1/8-27 NPT
    • Strongest calipers in it's class, with weights starting at 2.80 pounds
  • Wilwood 230-10483 Dynamic S Mount Rotor Bolt Kit
    Wilwood 230-10483 Dynamic S Mount Rotor Bolt Kit
    (Part #83523010483)
    x
                
    These steel bolt kits from Wilwood Brakes work with dynamic rotor mount kits and feature a zinc coated finish. They include all hardware needed.
    • Dynamic S mount rotor bolt kit
    • Includes:
      • (8) 5/16" 12-point bolts
      • (8) T-Nuts
      • (8) Washers

     

  • 2 Piece Aluminum Inboard Clamp
    $189.99
    2 Piece Aluminum Inboard Clamp
    (Part #6261669)
    x
                

    Clamps to Winters axle. Made for easy install of a inboard break system.

     

    • 7" 8- rotor bolt pattern. 

     

  • 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

  • Heat Shield For 2 Inch Single Quick Change Pads
    Heat Shield For 2 Inch Single Quick Change Pads
    (Part #94031043)
    x
                

    Made for Ultra Lite Brakes 100 Series Floating Caliper. Heat shield is .065" thick.

  • Wilwood 130-4955 O-Ring Kit for GM Caliper with 2-3/4 Inch Piston
    Wilwood 130-4955 O-Ring Kit for GM Caliper with 2-3/4 Inch Piston
    (Part #8351304955)
    x
                These replacement o-ring seals from Wilwood are designed for use with GM style calipers with 2-3/4" piston diameter.
    • For Wilwood GM Caliper with 2.75" piston
    • 4/pk

    Racer Note: Racing brake calipers, if properly maintained, can generally be used for several racing seasons. Frequent replacement of the caliper pistons and seals will increase caliper life and performance.

  • AFCO 6630040 F88 Forged Aluminum Caliper, 1.25 Rotor, 1-3/4 Pistons
    AFCO 6630040 F88 Forged Aluminum Caliper, 1.25 Rotor, 1-3/4 Pistons
    (Part #1066630040)
    x
                AFCO set out in 2012 to take their market leading  caliper to the next level. The previous billet calipers have been  winning races over the last 10 years. With race technology improving  over the years, they knew it was time to revolutionize their caliper  line. After testing the new calipers all summer with multiple wins and  over 5000 laps in some of the most punishing conditions, they are proud  to provide their customers with the best calipers in racing. Many racers  think that brakes don't matter and all calipers are created equal, but  we know from testing that these calipers help win races!
    • Stiffest caliper on the market
    • Less brake heat
    • Extra wheel clearance
    • Universal mounting
    • Forged 6061 aluminum construction
    • 1/8" NPT inlet port
    • Speed bleeders installed for quick and easy maintenance
    • Heavy duty steel bridge bolts add 10% increase in stiffness
    • Internal brake fluid passages
    • Billet pistons with hard coat anodizing
    • 3-1/2" mount spacing
    • For 1.25" thick rotors
    • 1-3/4" piston
  • 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) 

  • Afco 6690292 Replacement Piston for 1.38 Inch F88 Forged Alum. Caliper
    Afco 6690292 Replacement Piston for 1.38 Inch F88 Forged Alum. Caliper
    (Part #1066690292)
    x
                

    These replacement pistons are intended to service your F88 forged aluminum AFCO calipers with a 1.38" bore. 

    • For F88 AFCO forged aluminum calipers
    • 1.38" bore
    • Billet pistons feature hard coat anodizing that provides great wear resistance and long life
    • Includes: Replacement piston

    Racer Note: Racing brake calipers, if properly maintained, can generally be used for several racing seasons. Frequent replacement of the caliper pistons and seals will increase caliper life and performance.

  • 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.

  • Speedway Front Aluminum Drilled Brake Rotor - 10.125 x .312 Inch
    Speedway Front Aluminum Drilled Brake Rotor - 10.125 x .312 Inch
    (Part #9402700)
    x
                

    Speedway's Aluminum Sprint Brake Rotors are machined from billet plate for excellent balance, flatness, and true rotation. Rugged construction resists thermal distortion while the black anodized finish prevents corrosion. Fits popular 3 x 5" Sprint & Midget front hubs.

    Works best with Speedway 156 pads or Wilwood PolyMatrix Q pads.

    Aluminum Rotors Application Chart

  • Wilwood 270-10757 Rotor Hub Kit
    $295.99
    $318.99
    Wilwood 270-10757 Rotor Hub Kit
    (Part #83527010757)
    x
                
    • Dynamic rotor mount with 6 x 5.5" bolt pattern
    • High strength lightweight aluminum
    • Includes rotor adapter and bolt kit
  • AFCO 7242-0074 F33i Series 1.75 Inch Caliper O-Ring Kit
    AFCO 7242-0074 F33i Series 1.75 Inch Caliper O-Ring Kit
    (Part #10672420074)
    x
                

    Service Parts for US Brake F33i Series Calipers

    Racer Note: Racing brake calipers, if properly maintained, can generally be used for several racing seasons. Frequent replacement of the caliper pistons and seals will increase caliper life and performance.

    Caliper Piston Tech Note (Link)

     

     

  • Wilwood 150-9756K Dynapro Brake Pads for Titanium Rotor
    Wilwood 150-9756K Dynapro Brake Pads for Titanium Rotor
    (Part #8359756)
    x
                

    These high-temperature racing pads manufactured by Wilwood measure .5" in thickness, 1.98" in width and 2.32" in height.

    • High friction throughout temperature range, High temperature range.
    • Formulation specific for use with Polymetalic coated rotors
    • Sold in set of 4 pads

    Tech Tip:  Only use full metallic pads on coated rotors.

    Brake Pad Brand Guide (Link)

    Learn how to properly Bed-In your brake pads by reading our tech article.  Bedding-In Brake Pad Procedure.

  • Afco 6690259 Bridge Bolt Kit for .810 Inch F33 Forged Aluminum Caliper
    Afco 6690259 Bridge Bolt Kit for .810 Inch F33 Forged Aluminum Caliper
    (Part #1066690259)
    x
                

    These bridge bolt kits are intended to service F33 forged aluminum Afco calipers.  Their extreme duty steel construction adds 10-30% stiffness vs. billet caliper models.

    • For F33 Afco forged aluminum calipers
    • .810" caliper
    • Includes: Bridge bolt kit

    Racer Note: Racing brake calipers, if properly maintained, can generally be used for several racing seasons. Frequent replacement of the caliper pistons and seals will increase caliper life and performance.

  • Wilwood 120-1064 Billet Spot Caliper, 1.75 Piston, .12/.38 Inch Disc
    Wilwood 120-1064 Billet Spot Caliper, 1.75 Piston, .12/.38 Inch Disc
    (Part #8351201064)
    x
                

    Wilwood’s 1.75” diameter single piston Billet Spot Caliper is ideal for Micro and Mini Sprint, Kart, Off Road, Motorcycle, Drag Race Spindle Mount and industrial applications. Designed for light duty use, this floating caliper weighs just 1.20 pounds and holds a round .25” thick, .7 cubic inch brake pad, and accommodates rotors from 6.00” to 13.00” diameter and widths starting at .12”. Maximum rotor width can be adjusted by specific bracket and spacer dimensions. The pads are held in place by stainless steel 10-24 x .38” long flat head cap screw (screws are included), and the caliper is available black anodized.

    • 1.75” diameter single piston
    • Micro and Mini Sprint racing applications
    • Hardware included
    • Black anodized finish
  • AFCO 7242-0075 F33i Series 1.38 Inch Caliper O-Ring Kit
    AFCO 7242-0075 F33i Series 1.38 Inch Caliper O-Ring Kit
    (Part #10672420075)
    x
                

    Service Parts for US Brake F33i Series Calipers

    Racer Note: Racing brake calipers, if properly maintained, can generally be used for several racing seasons. Frequent replacement of the caliper pistons and seals will increase caliper life and performance.

    Caliper Piston Tech Note (Link)

     

     

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