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Founder, 1929-2014
Speedy Bill
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Brake Master Cylinders

Shop Muscle Brakes At Speedway Motors

Speedway Motors is the #1 authority on disc brakes conversion kits. With the most experience in the American muscle car business, you can be assured that you are getting a quality and precise fitting kit. Insist on a Speedway front disc brake conversion kit for your classic Chevy, Ford or Mopar muscle car. Don't forget to check out our huge selection of dropped spindles, master cylinders, flaring tools and proportioning valves. Stock up on all the essential brake lines, brake rotors, brake pads and fittings, too!


Featured Products
  • Wilwood 260-13621 Remote Flange Mount Master Cylinder Kit, 7/8 In Bore
    Wilwood 260-13621 Remote Flange Mount Master Cylinder Kit, 7/8 In Bore
    (Part #83526013621)
    x
                

    This new version of Wilwood’s Compact Combination Master Cylinders now features a 3/8-24 banjo outlet. Designed for limited space applications requiring the output capacity of a full size master cylinder. The ultra short 3.37”compact body provides 2.16” of additional clearance between the mounting flange and the fluid outlet. A full 1.12” of piston stroke meets or exceeds the stroke capacity of most full size cylinders. With 3/8-24 banjo fluid outlet port located at the top radius of the cylinder bore, reduces the chances for trapped air. Enhanced fluid inlet port allows mounting of the standard reservoir included in kit and also contains 11/16-20 internal threads for custom reservoir arrangements. The black E-Coated aluminum body resists corrosion and maintains a durable long lasting finish. 

    • 7/8 Inch bore size
    • 1.12" stroke
    • .67 (cu in.) volume
    • 3/8"-24 banjo outlet 
    • 11/16"-20 internal threads
    • Aluminum/plastic material
    • Remote reservoir

    Wilwood 260-13621 Master Cylinder Instruction/Data Sheet (PDF) 

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection. 

    Tech Tip: The bigger the master cylinder, the more fluid you get...But you'll have less pressure at the caliper. 

  • Wilwood Combination Remote Fill Master Cylinder Kit
    Wilwood Combination Remote Fill Master Cylinder Kit
    (Part #70174)
    x
                

    Six different bore sizes and four different installation configurations are available in this master cylinder kit. Precision machined from high strength aluminum, this kit includes both small and large size reservoirs which can be mounted for more convenient service access. Standard mounting bolt hole configurations provide easy applications for racing and off road vehicles, specialty cars, recreation and industrial vehicles.

    Bore sizes available include: 5/8", 3/4", 7/8", 13/16", 1", 1-1/8".

    • Includes small and large reservoirs which can be direct or remote mounted
    • Aluminum cylinder with plastic reservoir tank
    • Mounting flange is a vertical pattern on a 2-1/4" on center
    • Master cylinder has a single 3/8-24 brake line outlet
    • The two side mount holes are 3" from center to center

    70174 Instructions (PDF)

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • Dual Feed Master Cylinder
    $36.99
    Product Rating: 4.50 Stars
    Dual Feed Master Cylinder
    (Part #91031420)
    x
                

    Dual feed master cylinder with 2 bolt flange style mount. Use with Speedway brake pedal assemblies. This cylinder is similar to those used on mid-70's Fords (Mustang, Fairlane/LTD, etc. with disc front/drum rear).

    • Mounting Bolt Holes:  3/8" or 10mm 
    • 7 1/4" long without the pushrod, add 2" for the pushrod
    • 3" wide from the outside of the reservoir to the edge of the outlets
    • Mounting flange is 4" wide
    • Master cylinder is also 3-7/16" tall without a cap
    • Included push rod is threaded 3/8"-24 (fine thread).
    • If you need a yoke for the pedal hook-up, use this Forged Steel Yoke.
    • Push rod boot included.

    Uses 3/8"-24 female inverted flare outlets. If plumbing with AN 3 lines, you will need two each of these AN to IFM Adapters.

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection. 

  • Wilwood 260-1304 Integral Reservoir Alum. Master Cylinder, 3/4 In Bore
    Wilwood 260-1304 Integral Reservoir Alum. Master Cylinder, 3/4 In Bore
    (Part #8352601304)
    x
                

    This popular, lightweight, compact design is used for clutch and small master cylinder requirements and is well known for its dependability. It incorporates an improved plastic screw-on filler cap which protects the fluid in the 1.4 ounce reservoir.

    • Includes fitting to accept 3/8"-24 inverted flare from 3/16" hard line
    • If AN-3 or AN-4 flex line is to be used, the following adapters will work:
      • 910318-3/8  (3/8"-24 to AN-3 Male Brake Fitting)
      • 6174030  (3/8"-24 Inverted Flare to AN-4 Fitting)

    External Dimensions (Link)

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

  • Dual Feed Master Cylinder w/ Stainless Sleeve
    Dual Feed Master Cylinder w/ Stainless Sleeve
    (Part #91031425)
    x
                

    Brake fluid can ruin your master cylinder in just a few years. Stop the problem by using a stainless steel sleeved master cylinder. Our new sleeved dual feed master cylinder will work with most disc/drum combinations.

    • No more pitting in the bore
    • 1" bore
    • Popular 3/8"-24 inverted flare ports
    • 3/16" brake line will screw right in

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • Wilwood 260-13625 Remote Side Mount Master Cylinder Kit, 1 In Bore
    Wilwood 260-13625 Remote Side Mount Master Cylinder Kit, 1 In Bore
    (Part #83526013625)
    x
                

    This new version of Wilwood’s Compact Combination Master Cylinders now features a 3/8-24 banjo outlet. Designed for limited space applications requiring the output capacity of a full size master cylinder. The ultra short 3.37”compact body provides 2.16” of additional clearance between the mounting flange and the fluid outlet. A full 1.12” of piston stroke meets or exceeds the stroke capacity of most full size cylinders. With 1/8” NPT fluid outlet port located at the top radius of the cylinder bore, reduces the chances for trapped air. Enhanced fluid inlet port allows mounting of the standard reservoir included in kit and also contains 11/16-20 internal threads for custom reservoir arrangements. The black E-Coated aluminum body resists corrosion and maintains a durable long lasting finish. 

    • 1 Inch bore size
    • 1.12" stroke
    • .87 (cu in.) volume
    • 3/8"-24 banjo outlet 
    • 1/8” NPT fluid outlet port
    • 11/16"-20 internal threads
    • Aluminum/plastic material
    • Remote reservoir

    Wilwood 260-13625 Master Cylinder Instruction/Data Sheet (PDF) 

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection. 

    Tech Tip: The bigger the master cylinder, the more fluid you get...But you'll have less pressure at the caliper. 

     

  • Aluminum Master Cylinder w/ Stainless Bore
    Aluminum Master Cylinder w/ Stainless Bore
    (Part #91031428)
    x
                

    Brake fluid can ruin your master cylinder in just a few years. Stop the problem by using a stainless steel sleeved master cylinder. Our sleeved GM-style aluminum master cylinder provides a weight savings and longer service life. It has 2 mounting holes on a 3-1/4" center for 3/8" or 10mm bolts.

    • 1" stainless steel sleeved bore
    • Unpolished aluminum
    • Height from center line to the top most point on the retaining bar is 3.5"
    • 3/8"-24 inverted flare ports on each side
    • Includes plugs for the side not used
    • Deep piston design for manual or power brakes 
    • Pushrod NOT included

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • Universal Power/Manual Master Cylinder, 1 Inch Bore, Corvette-Style
    Universal Power/Manual Master Cylinder, 1 Inch Bore, Corvette-Style
    (Part #91031445)
    x
                

    These high-tech corvette-style master cylinders were designed using OE specifications and 100% tested.  They have a 1" bore and are suited for disc/drum combinations. Each master cylinder is ported on both the left and right sides, allowing for installation in many different applications. This exclusive design features a mating flange that works with applications requiring 3-1/8” through 3-3/8” bolt patterns.  These master cylinders will work with manual or power brake systems and can be quickly changed with the included adapter pin to plug the deep well.  The wide body and low profile gives this master cylinder the clearance you need when installing in tight areas and yet it maintains a large volume of fluid necessary for 2 and 4 wheel disc brake applications.

    • 1" bore
    • 3/8"-24 IFF outlet ports on both sides
    • Plugs are included for the unused ports
    • Mount spacing is 3-3/8" on center
    • Works with power or manual brake systems
    • Compact, for installation under floor or on firewall
    • Suited for either disc/disc or disc/drum combinations 
    • Stroke of this master cylinder is approximatlely 1-1/16"

    Brake System Builder's Tip (Link)

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection. 

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  • AFCO 6620112 Remote Reservoir Master Cylinder, 1 Inch Bore
    AFCO 6620112 Remote Reservoir Master Cylinder, 1 Inch Bore
    (Part #1066620112)
    x
                These new remote reservoir master cylinders from AFCO feature an  external return spring that maintains positive pedal  feel and helps  prolong pad life by ensuring quick reaction to released  pedal force.   Its slim design rubber boot allows easy installation into most pedal  assemblies with common dual-mounting bolt patterns.
    • External return spring maintains positive pedal feel and helps prolong pad life by ensuring quick reaction to released pedal force
    • Slim design rubber boot allows easy installation into most pedal assemblies
    • Common dual-mounting bolt patterns for most racing applications
    • 1" bore
    • Designed for standard 1/8" NPT fittings for easy replacement
    • Aluminum bore design with hard anodized piston

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • Wilwood 260-13618 Remote Flange Mount Master Cylinder Kit, 5/8 In Bore
    Wilwood 260-13618 Remote Flange Mount Master Cylinder Kit, 5/8 In Bore
    (Part #83526013618)
    x
                Please view the product's page for more information
            
  • Wilwood 260-13622 Remote Flange Mount Master Cylinder Kit, 1 In Bore
    Wilwood 260-13622 Remote Flange Mount Master Cylinder Kit, 1 In Bore
    (Part #83526013622)
    x
                Please view the product's page for more information
            
  • Wilwood 260-1333 Clutch Slave Cylinder, Pull Type
    Wilwood 260-1333 Clutch Slave Cylinder, Pull Type
    (Part #8352601333)
    x
                
    • “Pull Type” slave cylinder with 7/8" bore
    • Billet aluminum for high strength
    • Plated with a tough anti-corrosion finish
    • Stainless steel push rod has a longer stroke than most cylinders assuring a full release of the clutch
    • Ideal for Drag Racing, Late Model Stock, Pro Series and Off Road applications
    • Recommended master cylinder sizing is 3/4”
    • Overall length:  11.70"
    • Inlet size:  1/8-27 NPT
    • Inletfit:  3/8-24 IF Female
    • Stroke:  1.38
    • Volume:  0.60

    8352601333 Instructions (PDF)

  • Garage Sale - Electric Power Master Cylinders - Disc/Disc
    Garage Sale
    Garage Sale - Electric Power Master Cylinders - Disc/Disc
    (Part #UP51421)
    x
                

    This master cylinder kit is garage sale priced because it has some dings and scratches in the finish on the master cylinder from being test fit.

     No Warranty, No Returns On Garage Sale Items

    These electrically boosted master cylinders are really slick. Rather than using bulky vacuum boosters to generate increased hydraulic force, they employ remote-mounted electric pumps and accumulators to build brake pressure.

    The compact and attractive aluminum master cylinder can easily be retro-fitted on the firewall of most American cars, or can be frame mounted if you have 5-1/4" of under-floor clearance.

    12 volt electric pump and accumulator assembly can be mounted out of sight on the frame or in the trunk. Available for disc/disc or disc/drum applications.

    Instructions for Bleeding System (GIF)

     

    Low pressure or return line is a 3

  • Chrome Power Brakes Master Cylinder
    Chrome Power Brakes Master Cylinder
    (Part #91031446)
    x
                

    This beautiful chrome master cylinder is highly versitile featuring outlets on both sides and a 1" bore. Has 3/8"-24 IFF outlets (includes 2 plugs for unused ports).

    For use with power brake boosters - NOT for use with manual brake systems. Suitable for use with front disc/rear drum brake systems.

    Brake System Builder's Tip (Link)

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

  • Garage Sale - 1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
    Garage Sale
    Garage Sale - 1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
    (Part #UP47270)
    x
                Please view the product's page for more information
            
  • Garage Sale - Chrome Master Cylinder - 1" Bore
    Garage Sale
    Garage Sale - Chrome Master Cylinder - 1" Bore
    (Part #91031446GS)
    x
                

    This beautiful chrome master cylinder is highly versitile featuring outlets on both sides and a 1" bore. Has 3/8"-24 IFF outlets.

     

    This Master Cylinder is Garage Sale priced because the chrome is not the best.

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

     

  • Garage Sale - 1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
    Garage Sale
    Garage Sale - 1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
    (Part #UP30300)
    x
                

    When you put modern front disc brakes on your '55-'57 Chevy car, you should update the master cylinder as well. The stock '55-'57 drum brake master cylinder does not have the capacity to supply the proper amount of pressure for front disc brakes. This simple bolt-on power brake assembly will ensure your brakes are operating at peak performance.

    • Kit contains a 1" bore master cylinder with 1/2"-20 and 9/16"-18 outlets, 8" dual diaphragm booster, and a disc/drum combination valve (provides proportioning and metering).
    • Also includes line to connect the prop/metering block to the master cylinder and the necessary hardware to mount the booster to your original '55-'57 Chevy brake pedal.
    • Measures 14-1/4" from firewall bracket to end of master cylinder. 
    This brake kit is garage sale priced because it has been partially bolted on and returned.
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 
  • 1955-64 GM Master Cylinder for Drum Brakes
    1955-64 GM Master Cylinder for Drum Brakes
    (Part #91031416)
    x
                

    This is an OEM type single reservoir master cylinder for many 1955-1964 Chevy applications with original drum brakes. Has a 1" bore and a 7/16"-24 IFF outlet port. Not for use with disc brakes.

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

    Catalog Correction: This unit has a 7/16" outlet, not a 3/8" port as stated in our catalogs.

  • Wilwood 260-13619 Remote Flange Mount Master Cylinder Kit, 3/4 In Bore
    Wilwood 260-13619 Remote Flange Mount Master Cylinder Kit, 3/4 In Bore
    (Part #83526013619)
    x
                Please view the product's page for more information
            
  • Garage Sale - Power/Manual Master Cylinder, 1-1/8 Inch Bore
    Garage Sale
    Garage Sale - Power/Manual Master Cylinder, 1-1/8 Inch Bore
    (Part #UP9386)
    x
                

    This is garage sale priced because it has been discontinued. 

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS    

     

    GM Universal Cast Iron 1-1/8" Bore; 9/16" & 1/2" Ports on Left Side; Exact Copy of Original; Master Cylinder has a piston adaptor that will allow for power or manual applications. 

  • Wilwood Combination Remote Fill Master Cylinder Kit
    Wilwood Combination Remote Fill Master Cylinder Kit
    (Part #70174)
    x
                

    Six different bore sizes and four different installation configurations are available in this master cylinder kit. Precision machined from high strength aluminum, this kit includes both small and large size reservoirs which can be mounted for more convenient service access. Standard mounting bolt hole configurations provide easy applications for racing and off road vehicles, specialty cars, recreation and industrial vehicles.

    Bore sizes available include: 5/8", 3/4", 7/8", 13/16", 1", 1-1/8".

    • Includes small and large reservoirs which can be direct or remote mounted
    • Aluminum cylinder with plastic reservoir tank
    • Mounting flange is a vertical pattern on a 2-1/4" on center
    • Master cylinder has a single 3/8-24 brake line outlet
    • The two side mount holes are 3" from center to center

    70174 Instructions (PDF)

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • Garage Sale - Chrome 1" Master Cylinder
    Garage Sale
    Garage Sale - Chrome 1" Master Cylinder
    (Part #UP34596)
    x
                

    This beautiful chrome master cylinder is highly versitile featuring outlets on both sides and a 1" bore. Has 3/8"-24 IFF outlets (includes 2 plugs for unused ports).

    For use with power brake boosters - NOT for use with manual brake systems. Suitable for use with front disc/rear drum brake systems.

    Brake System Builder's Tip (Link)

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection 
     
    This is Garage Sale priced because it does not include lid.
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  
  • Universal Power/Manual Master Cylinder, 1 Inch Bore, Corvette-Style
    Universal Power/Manual Master Cylinder, 1 Inch Bore, Corvette-Style
    (Part #91031445)
    x
                Please view the product's page for more information
            
  • Wilwood 260-13623 Remote Flange Mnt Master Cylinder Kit, 1-1/8 In Bore
    Wilwood 260-13623 Remote Flange Mnt Master Cylinder Kit, 1-1/8 In Bore
    (Part #83526013623)
    x
                Please view the product's page for more information
            
  • 1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
    1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
    (Part #91031974)
    x
                

    When you put modern disc brakes on your 1958-1964 Chevy full-size car (Bel-Air, Biscayne, Impala, 150 Series, 210 Series), you should update the master cylinder as well. Stock 4-wheel drum master cylinders do not have the capacity to supply the proper amount of pressure for disc brakes. For best results, we recommend using this simple, bolt-on master cylinder booster kit on all 4-wheel disc brake conversions or as a power brake upgrade for 4-wheel drum brake applications.

    • 8" dual diaphragm booster
    • 1" bore master cylinder
    • Adjustable proportioning valve for rear brake line
    • Master cylinder has outlets on both sides for ease of plumbing
    • 1/2"-20 and 9/16"-18 outlets

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • Wilwood 260-13625 Remote Side Mount Master Cylinder Kit, 1 In Bore
    Wilwood 260-13625 Remote Side Mount Master Cylinder Kit, 1 In Bore
    (Part #83526013625)
    x
                Please view the product's page for more information
            
  • Wilwood 260-2636 Integral Reservoir Alum. Master Cylinder, 5/8 In Bore
    Wilwood 260-2636 Integral Reservoir Alum. Master Cylinder, 5/8 In Bore
    (Part #8352602636)
    x
                

    This popular, lightweight, compact design is used for clutch and small master cylinder requirements and is well known for its dependability. It incorporates an improved plastic screw-on filler cap which protects the fluid in the 1.4 ounce reservoir.

    • Includes fitting to accept 3/8"-24 inverted flare from 3/16" hard line
    • If AN-3 or AN-4 flex line is to be used, the following adapters will work:
      • 910318-3/8  (3/8"-24 to AN-3 Male Brake Fitting)
      • 6174030  (3/8"-24 Inverted Flare to AN-4 Fitting)

    External Dimensions (Link)

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

  • 1955-66 GM Master Cylinder for Drum Brakes, Stainless Sleeve
    1955-66 GM Master Cylinder for Drum Brakes, Stainless Sleeve
    (Part #91031417)
    x
                

    Brake fluid can ruin your master cylinder in just a few years. Stop the problem by using a stainless steel sleeved master cylinder. This is an OEM-style single reservoir master cylinder for many 1955-1966 Chevy applications with drum brakes. Will not work with disc brakes.

    Features a 1" bore and has a 7/16"-24 inverted flare port.

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

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