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

Muscle Car, Brake Master Cylinders

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  • On Sale
    Product Rating: 4.40 Stars
    $71.99 $66.99
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    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.

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  • Product Rating: 4.50 Stars
    $36.99
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    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. 

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    Product Rating: 4.30 Stars
    $53.99 $49.99
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    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

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  • Product Rating: 4.90 Stars
    $59.99
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    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.

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  • Product Rating: 4.10 Stars
    $99.99
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    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.

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  • Product Rating: 4.30 Stars
    $59.99
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    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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  • On Sale
    Product Rating: 4.00 Stars
    $135.99 $125.99
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    Tandem remote master cylinders provide one of the safest ways to actuate four wheel or dual caliper axle brake systems. This versatile, lightweight and easily adapted master cylinder provides single pushrod activation of two separate brake fluid circuits. By completely isolating the fluid reservoirs and circuits, the front and rear brakes are able to operate independently of each other and provide a safety net should any one side of the system become inoperable. Shipped complete with the master cylinder and all necessary hardware including 30 inches of hose that can be cut to the desired length for remote mounting of the two 4 ounce fluid reservoirs. 

    • Can be bolted directly to Wilwood single mount pedals
    • 50/50 front/rear brake output from a 1.00" bore with 1.10" stroke
    • Great match for Wilwood's Bolt-On-Disc Brake Kit systems configured from OE components
    • Reservoirs can be either remote or master cylinder mounted

    Tandem Remote Fill Master Cylinder Installation Instructions (PDF)

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

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  • Product Rating: 5.00 Stars
    $84.99
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    If you are wanting to save some weight and still use the GM style master cylinder, this is the ticket. This unpolished aluminum master cylinder has a 1" bore, 3/8"-24 IFF outlets on both sides, and can be used with manual or power brakes. 

    Pushrod NOT included. Accomodates mount studs from 3" center-to-center minimum to 3-1/4" center-to-center maximum.

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

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