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Shop Classic Brakes At Speedway Motors

Speedway Motors is the #1 authority on disc brakes conversion kits. With the most experience in the Classic Pickup Truck business, you can be assured that you are getting a quality, excellent fitting kit. Insist on a Speedway front disc brake conversion kit for your classic truck. Don't forget to check out our huge selection of brake rotors, high volume master cylinders, proportioning valves and blocks. Stock up on all the essential brake lines, brake calipers, brake pads and fittings, too!

Classic Truck, Disc Brake Upgrade Kits

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Featured Products
  • Product Rating: 4.50 Stars
    $249.99
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    Improve the stopping power of your 1947-1959 Chevy 1/2 ton pick-up without replacing the factory beam axle. Works with 15" or larger wheels with the GM 5-on-4.75" bolt pattern. Increases front track width 7/16" per side (7/8" total).

    Kit Includes:

    • 11" brake rotor, 5 x 4-3/4"
    • Brake pads
    • GM Caliper slide bolts
    • 1969-77 calipers (7/16"-20 inlets)
    • Brake brackets
    • Rubber Brake Lines
    • Hardware
    • Seals
    • Inner bearing cups
    • Inner bearing cones
    • Spacers
    • Outer bearing cones
    • Dust caps
    • Instructions

    910-31916 Instructions (PDF)

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  • Product Rating: 4.60 Stars
    $254.99
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                Upgrade your Mustang II based suspension from the stock 9-1/4" rotors to our 11" rotors with powerful single piston GM metric floating calipers. This simple bolt-on conversion requires no machining. For use on 1974-80 Pinto, Bobcat and Mustang II spindles.

    Features a 5 on 4-1/2" Ford/Mopar wheel bolt pattern (increases track width 1/2" per side). Includes two 16" front brake hoses and 7/16"-20 banjo bolts with crush washers.

    Note:  14" wheels will require clearance to be checked as not all 14" wheels will clear caliper

    910-31944 Instructions (PDF)

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  • Product Rating: 5.00 Stars
    $349.99
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    If you don't want to spend an arm and a leg on a rear disc brake kit and still have to weld the bracket on, we've got you covered. This kit includes bolt-on caliper brackets, 11-1/4" vented rotors, '78-'88 GM metric style calipers, brake pads and hardware.

    • Fits both 5 on 4-1/2" and 5 on 4-3/4" bolt circles
    • For Ford passenger car axles ONLY 
    • Fits axle with maximum flange diameter of 6-1/4" O.D.
    • For 15" and larger wheel applications ONLY

    NOTE: This bolt on brake kit is designed to be used on 8" and 9" housings using 3/8" retaining bolts. If you want to use it on a 9" housing with 1/2" bolts, you will need to use the 3/8" hardware to do so. Fits "old" and "new" style big bearing (3.150" bearing O.D.) Ford housings and with axle offsets of a minimum 2-3/8" to 2-1/2".

    Axle Flange Identification Chart (GIF)

    910-31902 Instructions (PDF)

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  • Product Rating: 3.90 Stars
    $429.99
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    If you don't want to spend an arm and a leg on a rear disc brake kit and still have to weld the bracket on, we've got you covered. This kit includes bolt-on caliper brackets, 11-1/4" vented rotors, '78-'88 GM emergency brake calipers, brake pads and hardware.

    • Fits both 5 on 4-1/2" and 5 on 4-3/4" bolt circles
    • For Ford passenger car axles ONLY 
    • Fits axle with maximum flange diameter of 6-1/4" O.D.
    • For 15" and larger wheel applications ONLY

    NOTE: This bolt on brake kit is designed to be used on 8" and 9" housings using 3/8" retaining bolts. If you want to use it on a 9" housing with 1/2" bolts, you will need to use the 3/8" hardware to do so. Fits "old" and "new" style big bearing (3.150" bearing O.D.) Ford housings and with axle offsets of a minimum 2-3/8" to 2-1/2".

    Axle Flange Identification Chart (GIF)

    910-31921 Instructions (PDF)

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  • Product Rating: 4.80 Stars
    $239.99
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                Easily upgrade your Mustang II based suspension from the stock 9-1/4" rotors to 11" rotors with powerful single piston GM midsize floating calipers. Kit requires no machining. For use on 1974-1980 Pinto, Bobcat and Mustang II factory spindles.  

    GM bolt pattern 5 on 4-3/4" (increases track width 1" per side). Includes two 16" front brake hoses and 7/16"-20 banjo bolts with crush washers.

    910-31943 Instructions (PDF)

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  • Product Rating: 4.70 Stars
    $319.99
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    This complete disc brake kit easily installs big 11-3/4" rotors on your 1937-1948 Ford car or 1937-1947 Ford 1/2 ton pickup spindles while retaining the original 5 on 5-1/2" bolt circle.

    This kit will work with spindles having either original steering arms or with flat steel steering arms. It will NOT work with forged aftermarket steering arms. Wheels must have 3-7/16" center hole and have been designed for disc brake applications. Will NOT work with early Ford factory wire or steel drum brake wheels. You will need to use a later disc brake steel wheel or aftermarket wheel.

    910-31909 Instructions (PDF)

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  • Product Rating: 4.80 Stars
    $279.99
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    These kits allow you to put disc brakes on your 1948-56 Ford 1/2 ton pick-ups. No spindle modifications are required.

    Kit Includes:

    • Vented cast iron rotors
    • GM single piston calipers (7/16"-20 inlets)
    • Brake pads
    • Caliper slide bolts
    • Rubber brake lines
    • Steel caliper brackets
    • Hardware
    • New bearing and seal adapters
    • Seals
    • Inner bearing cones
    • Outer bearing cones
    • Spacers
    • Dust caps
    Go to Product Page
  • Product Rating: 4.00 Stars
    $239.99
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    Replace those old drum brakes with modern rear disc brakes. Steel rotor hat mounts .81" x 11-3/4" Pro-lite vented iron rotors and calipers to 3" tube rear end.  Complete with rotors, hats, calipers (7/16"-20 inlets), brackets, brake pads, caliper brackets and slider bolts. 

    Hat fits 5 lug hubs with 4-1/2", 4-3/4", or 5" bolt circle.

    Installation note: Due to a wide variation in daimeters of axle flanges and center hubs from manufacturers, it may be necessary to turn these diameters down to the proper dimensions.

    910-31936 Instructions (PDF)

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