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Founder, 1929-2014
Speedy Bill
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Disc Brake Calipers

Shop Oval Track Brakes & Hubs At Speedway Motors

Speedway Motors has the racing brake components you need for the rigors of the oval track. We have top quality rotors, calipers, brackets and hubs, including lightweight wide 5 hubs. Our complete assortment of brake pads will help you tune your brakes to track conditions. Choose from a great selection of master cylinders and pedals, too, as well as the high temp brake fluid you need to keep your brakes performing under the harshest conditions.

Featured Products
  • 1978-Up GM Metric Brake Calipers, IMCA Approved
    1978-Up GM Metric Brake Calipers, IMCA Approved
    (Part #91031045)
    x
                

    These stock replacement single piston Metric calipers were standard equipment on 1978-88 GM mid-size cars (Cutlass, Grand Prix, Regals, Monte Carlo, etc.). They feature a 2.38" single piston, shielded bottom inlet, and will save 3-1/2 lbs. per side compared to mid-size 1969-1977 caliper.

     

    • IMCA approved
    • No core charge required
    • 7/16"-20 inlet
    • Can be used with brake hoses from Pre-1978 GM intermediate cars
    • Brake pads & bolts sold separately

     

    Note: Does NOT include brake pads or slider bolts and bushings.

  • Speedway 1969-77 GM Midsize Caliper
    Speedway 1969-77 GM Midsize Caliper
    (Part #91031035)
    x
                Rebuilt 1969-77 mid and full size caliper. 7/16"-20 inlet so you can use the readily available brake hoses and hardware from Pre-1978 GM midsize cars. IMCA approved. 

    No core charge required. Fits 1" thick rotor. 2.8" diameter pistons installed. It has 7-1/16" center to center mounting holes. The width between mounting tabs is 2-3/4".
  • 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)

  • 1978-88 Replacement GM Midsize Metric Calipers
    1978-88 Replacement GM Midsize Metric Calipers
    (Part #91031047)
    x
                

    These stock replacement single piston metric calipers were standard equipment on 1978-88 GM midsize cars (Cutlass, Grand Prix, Regals, Monte Carlo, etc.). They feature a 2.38" single piston, shielded bottom inlet, and will save 3-1/2 lbs. per side compared to midsize 1969-1977 caliper.

    • No core charge required
    • 10mm x 1.50 inlet 
    • Speedway 156 pads and slider bolts included

     

  • Ford Mustang II-Pinto Caliper
    Ford Mustang II-Pinto Caliper
    (Part #91031005)
    x
                Remanufactured Mustang II/Pinto caliper with retaining clip hardware. 7/16"-24 inlet.

     

  • Big Bore GM Metric 1978-88 Brake Caliper
    Big Bore GM Metric 1978-88 Brake Caliper
    (Part #91031040)
    x
                

    If you are using 1978-88 GM Metric style brake calipers your choices of piston sizes are pretty much limited to 2-1/2". This isn't bad unless you want to 'tune' your braking by using different size calipers front to rear. By using a larger 2-3/4" piston you will increase the braking force at a wheel over a wheel using a smaller piston.

    Bleeder and inlet are both 10mm-1.5 inlet allowing the caliper to be used on either side. Plus, these calipers have been ground smooth to make them easier to paint.

    Includes pads and hardware. Sold as EACH.

    • 20% increase in stopping power over stock calipers
    • Can used on the left and right sides
    • Extra ribs have been added internally while unnecessary weight was removed
    • Lighter, stronger, has more stopping power than OEM calipers
    • Each caliper includes:
      • brake pads
      • clips
      • slide pins
      • banjo bolt
      • washers
      • bleeder screw
  • Wilwood 120-8924 D154 GM Metric Iron Single Piston Floater Caliper
    Wilwood 120-8924 D154 GM Metric Iron Single Piston Floater Caliper
    (Part #8351208924)
    x
                

    These all new cast, not rebuilt iron calipers are bolt-on replacements for 1978 and later GM Metric calipers widely used in "spec" racing categories and low cost disc brake conversions. Not IMCA pproved.

    Wilwood iron GM Metric calipers combine new part quality with modern machining precision. There are two piston size options to assist builders with properly building static bias into a car. Previously, builders using the metric calipers generally had to mount the same size calipers on all four wheels. This drastically limited the tuning options and often created front to rear bias ratios that were not conducive to good handling and stability under hard braking. Some builders, and other brake suppliers, chose to offer re-machined OE calipers to provide a bias tuning option. Unfortunately re-machining a used casting that was never designed for the larger bore size, can create real compromises in strength, reliability and performance. 

    To address these needs, Wilwood has tooled up two separate castings that are fitted with either 2.75" or 2" stainless steel pistons and high temperature bore seals. Each casting is designed specific for its intended bore size. The calipers are strong and precise, without unnecessary added weight from oversized castings. The stainless steel pistons resist corrosion while helping to slow the heat transfer from the pads. The high temperature seals provide long service life when used in hard braking applications and maintain their resilience to provide positive piston retraction on release. In addition to the optional piston sizes, two models are available with slide pin vibration dampers installed to help reduce rattle and other noise. 

    These calipers are the same physical size and mounting as the GM metric style of calipers. Instead of the stock 2-1/2" piston they have either 2" or 2.75" bores. This allows you to change your brake bias on a dirt car by running bigger pistons on the back and small piston on the right front. The bleeder and inlet are both 10mm-1.5 which allows you to run these calipers on either side. 

    All Wilwood GM Metric calipers use the standard D154 type brake pads. 

  • Wilwood 120-6818 Forged Dynalite Caliper, 1.75 Piston / .38 Inch Disc
    Wilwood 120-6818 Forged Dynalite Caliper, 1.75 Piston / .38 Inch Disc
    (Part #8351206818)
    x
                

    The Forged Billet Dynalite is widely used in Road Race, Late Model Dirt, and Open Wheel motorsports. 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.

    Forged Dynalites are the strongest calipers in the class, with weights starting at 2.80 pounds. Without even considering the overall greater strength and reliability of the forging, the reduced deflection tendencies and the resulting decrease in fluid volume displacement translate to increased clamping efficiency with less pedal travel. The bottom line is a taller pedal and better stopping power.

    • Pistion Count: 4
    • Area (in²): 4.80
    • Piston Type: Stainless
    • Fits .75" - 0.38" wide by 10" - 13.06" diameter rotors
    • Pad Area (in²): 6.36 
    • Pad Volume (in³): 2.1
    • Mount Type: Lug
    • Mount Side: Universal
    • Weight(Lbs): 2.80

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"Oval Track, Disc Brake Calipers" Page 1 of 7

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  • 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
  • Garage Sale - 1978-Up GM Metric Brake Caiper, IMCA Approved, Left Side
    Garage Sale
    Garage Sale - 1978-Up GM Metric Brake Caiper, IMCA Approved, Left Side
    (Part #UP32647)
    x
                

    These stock replacement single piston Metric calipers were standard equipment on 1978-88 GM mid-size cars (Cutlass, Grand Prix, Regals, Monte Carlo, etc.). They feature a 2.38" single piston, shielded bottom inlet, and will save 3-1/2 lbs. per side compared to mid-size 1969-1977 caliper.

     

    • IMCA approved
    • No core charge required
    • 7/16"-20 inlet
    • Can be used with brake hoses from Pre-1978 GM intermediate cars
    • Brake pads & bolts sold separately

     

    Note: Does NOT include brake pads or slider bolts and bushings.

     

    This caliper is garage sale priced because it has been test fit and returned. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS    

  • Wilwood 120-6818 Forged Dynalite Caliper, 1.75 Piston / .38 Inch Disc
    Wilwood 120-6818 Forged Dynalite Caliper, 1.75 Piston / .38 Inch Disc
    (Part #8351206818)
    x
                

    The Forged Billet Dynalite is widely used in Road Race, Late Model Dirt, and Open Wheel motorsports. 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.

    Forged Dynalites are the strongest calipers in the class, with weights starting at 2.80 pounds. Without even considering the overall greater strength and reliability of the forging, the reduced deflection tendencies and the resulting decrease in fluid volume displacement translate to increased clamping efficiency with less pedal travel. The bottom line is a taller pedal and better stopping power.

    • Pistion Count: 4
    • Area (in²): 4.80
    • Piston Type: Stainless
    • Fits .75" - 0.38" wide by 10" - 13.06" diameter rotors
    • Pad Area (in²): 6.36 
    • Pad Volume (in³): 2.1
    • Mount Type: Lug
    • Mount Side: Universal
    • Weight(Lbs): 2.80
  • 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
  • Garage Sale - Speedway 1969-77 GM Midsize Caliper, Right Side
    Garage Sale
    Garage Sale - Speedway 1969-77 GM Midsize Caliper, Right Side
    (Part #UP28965)
    x
                

    Rebuilt 1969-77 mid and full size caliper. 7/16"-20 inlet so you can use the readily available brake hoses and hardware from Pre-1978 GM midsize cars. IMCA approved. 

    No core charge required. Fits 1" thick rotor. 2.8" diameter pistons installed. It has 7-1/16" center to center mounting holes. The width between mounting tabs is 2-3/4".

     

    This caliper is garage sale priced because it has been pained red and test fit. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

  • 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
  • Garage Sale - US Brake 7241-1208 F33i Brake Caliper, 1.75 Inch Bore/.38 Inch Rotor
    Garage Sale
    Garage Sale - US Brake 7241-1208 F33i Brake Caliper, 1.75 Inch Bore/.38 Inch Rotor
    (Part #AUP2505)
    x
                Please view the product's page for more information
            
  • Garage Sale - Afco/US Brake F88i Series LH Front Alum. Caliper, 1.75 Bore/.810 Inch Rotor
    Garage Sale
    Garage Sale - Afco/US Brake F88i Series LH Front Alum. Caliper, 1.75 Bore/.810 Inch Rotor
    (Part #AUP1843)
    x
                Please view the product's page for more information
            
  • Garage Sale - AFCO/US Brake Aluminum Caliper F88I Series Left Rear, Replaced SL & XL Type
    Garage Sale
    Garage Sale - AFCO/US Brake Aluminum Caliper F88I Series Left Rear, Replaced SL & XL Type
    (Part #AUP2086)
    x
                Please view the product's page for more information
            
  • Wilwood 120-13529-RD Forged Dynalite-M Disc Brake Caliper, Red
    Wilwood 120-13529-RD Forged Dynalite-M Disc Brake Caliper, Red
    (Part #83512013529RD)
    x
                

    The Forged Billet Dynalite-M is further enhancement of the venerable Forged Dynalite series calipers. 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
    • Red 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
  • Afco 6630110 Forged Alum F33 Brake Caliper, 1-3/4 Inch Pistons/.375 Inch Rotor
    Afco 6630110 Forged Alum F33 Brake Caliper, 1-3/4 Inch Pistons/.375 Inch Rotor
    (Part #1066630100)
    x
                Please view the product's page for more information
            
  • Wilwood 120-6808 Forged Dynalite Caliper, 1.38 Piston / .38 Inch Disc
    Wilwood 120-6808 Forged Dynalite Caliper, 1.38 Piston / .38 Inch Disc
    (Part #8351206808)
    x
                

    The Forged Billet Dynalite has wide spread application over many forms over motorsports. It serves as the base model in the majority of Wilwood's Bolt-On Disc 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.

    Get a guaranteed taller pedal and better stopping power with these calipers! New forged design for rotors measuring 10" - 13.06" diameter. Includes 4 stainless steel pistons and a 1/8" NPT inlet. Mounting centers are 5-1/4" apart.

    Pads not included.

    Catalog Correction:  These calipers will work with 10" - 13.06" O.D. rotors.

  • AFCO 7241-1003 F88i Series RH Front Caliper-1.88 Bore/1.25 Inch Rotor
    AFCO 7241-1003 F88i Series RH Front Caliper-1.88 Bore/1.25 Inch Rotor
    (Part #10672411003)
    x
                

    Design, innovation, and strength are combined to give the F88i Caliper series unique performance advantages. Structural integrity is greatly increased due to an exclusive internal interlock system that requires less brake pedal effort, yet increases braking control with lap after lap consistency. 

    The result: more consistent pedal feel and stopping performance with less pad taper. These calipers are machined from billet 6061-T6 aluminum and feature internally machined lightening pockets, which makes them one of the lightest calipers on the market.

    The high performance caliper of choice for Rocket Chassis.

    Replaces SL and XL type calipers. 3.50" mounting centers. 

    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 120-11576 FNDL Caliper, 3.50 Inch Mount, 1.38 Piston/1.25 Disc
    Wilwood 120-11576 FNDL Caliper, 3.50 Inch Mount, 1.38 Piston/1.25 Disc
    (Part #83512011576)
    x
                

    Wilwood's new Forged Narrow Mount Dynalite (FNDL) calipers are ideal for and widely used in many competition applications including late models,modifieds, sprints, off road and road racing. Computer generated design and stress analysis technology, is the latest innovation from Wilwood providing substantial improvements in strength and performance over all comparable caliper models.

    Forged Narrow Mount Dynalites are the strongest calipers in the class. FNDL calipers are a direct replacement for all previous Wilwood NDL’s and similar competitive brands with 3.50" centered mounting tabs. A total of five bolts provide superior bridge strength and positive retention of the top loaded 7816 or 7216 type brake pads. The full range of PolyMatrix pad compounds is available to match the brake response and heat range requirements of any competition application.

    • Strongest calipers in the class
    • 3.50" centered mounting tabs
    • Superior bridge strength and positive retention

    Wilwood FNDC Product Data Sheet (PDF)

  • Wilwood 120-1064-P Billet Spot Caliper, Polished
    Wilwood 120-1064-P Billet Spot Caliper, Polished
    (Part #8351201064P)
    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
    • Polished finish
  • Wilwood 120-9726 NDP Dynapro Lug Mount Caliper, 3.50 Inch Mnt 1.38/.38
    Wilwood 120-9726 NDP Dynapro Lug Mount Caliper, 3.50 Inch Mnt 1.38/.38
    (Part #8351209726)
    x
                Please view the product's page for more information
            
  • AFCO 6630220 F22 Forged Aluminum Caliper-.810 In Rotor-1-3/4 In Piston
    AFCO 6630220 F22 Forged Aluminum Caliper-.810 In Rotor-1-3/4 In Piston
    (Part #1066630220)
    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
    • Extreme duty steel bridge bolts add 30% increase in stiffness
    • Internal brake fluid passages
    • Billet pistons with hard coat anodizing
    • 3-1/2" mount spacing
    • For .810" thick rotors
    • 1-3/4" piston
  • Garage Sale - Wilwood 120-12178 GP200 Caliper, 2.375 Mount, 1.25 Pistons / .25 Disc
    Garage Sale
    Garage Sale - Wilwood 120-12178 GP200 Caliper, 2.375 Mount, 1.25 Pistons / .25 Disc
    (Part #UP51051)
    x
                Please view the product's page for more information
            
  • AFCO 7241-1008 F88i Series LH Front Caliper, 1.88 Bore/.810 Inch Rotor
    AFCO 7241-1008 F88i Series LH Front Caliper, 1.88 Bore/.810 Inch Rotor
    (Part #10672411008)
    x
                

    Design, innovation, and strength are combined to give the F88i Caliper series unique performance advantages. Structural integrity is greatly increased due to an exclusive internal interlock system that requires less brake pedal effort, yet increases braking control with lap after lap consistency. 

    The result: more consistent pedal feel and stopping performance with less pad taper. These calipers are machined from billet 6061-T6 aluminum and feature internally machined lightening pockets, which makes them one of the lightest calipers on the market.

    The high performance caliper of choice for Rocket Chassis.

    Replaces SL and XL type calipers. 3.50" mounting centers. 

    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)

     

  • Ultra Lite Brakes 140-2533-R OR L Midget 4 Piston Front Caliper
    Garage Sale
    Ultra Lite Brakes 140-2533-R OR L Midget 4 Piston Front Caliper
    (Part #95031008)
    x
                

    Midget piston front caliper has a 250 series ultralite style.

     Clearance!!

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

     

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