Product Summary

Universal Fit, Rear Position, 11.75 Inch Rotor Diameter

    Comes as a Kit

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    Key Specs

    MFG. Part #91031910
    PositionRear
    Wheel Bolt Pattern (in.)5x4.5 in. | 5x4.75 in.
    Wheel Bolt Pattern (mm)5x114.3 mm | 5x120.65 mm
    Rotor Diameter11.75 Inch
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    Speedway Motors 91031910 Details

    Replace those old drum brakes with modern rear disc brakes. Included steel caliper brackets weld to your 3" tube rearend, making this a universal kit for a variety of applications. Basic kit includes caliper brackets for '69-'77 GM mid-size car front calipers, Pro-lite vented .810" x 11-3/4" iron rotors, steel brake hats (1.96" backspace), and rotor bolts.

    Hat fits 5 on 4-1/2", 5 on 4-3/4" and 5 on 5" bolt circles.

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    Speedway Motors 91031910 Specifications

    KEY SPECS
    MFG. Part #91031910
    BrandSpeedway Motors
    PositionRear
    Wheel Bolt Pattern (in.)5x4.5 in. | 5x4.75 in.
    Wheel Bolt Pattern (mm)5x114.3 mm | 5x120.65 mm
    Rotor Diameter11.75 Inch
    Rotor TypeVented
    Parking Brake ProvisionNo
    Minimum Recommended Wheel Diameter15 Inch
    Rotor ShapeRound
    Hardware IncludedYes
    Rotor StylePlain Face
    Front Rotor IncludedNo
    Front Caliper IncludedNo
    Rear Caliper IncludedNo
    Front Spindles IncludedNo
    Master Cylinder IncludedNo
    Brake Booster IncludedNo
    Brake Hoses IncludedNo
    Rear Rotor IncludedYes
    Rotor Hat Bolt Pattern8 x 7.00"
    Bolt Pattern5 on 4.5" | 4.75"
    GENERAL
    Sold in QuantityKit
    NotesIncludes rotors, rotor hats, caliper brackets, hardware, and instruction sheets.
    Rotor Thickness0.81"
    Rotor Backspace1.96"

    Ratings & Reviews

    4

    2 Reviews

    Overall Assessment

    Customers confirm the excellent quality and precise fit of our product. The usability is further stressed as installation is described as very easy, demonstrating its practicality. Distinguished for its performance in racing applications, customers express satisfaction and intent to repurchase. Material quality for use in an '89 Mustang GT highlights versatility and safety, separating it from competitors. The product often surpasses expectations, leading to high recommendations.

    4

    2 reviews

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    yes it fit very well

    4.0

    4 years ago

    DickyDevil

    Abbotsford. B.C Canada

    Verified

    the parts fit very good

    Would Recommend

    I would buy this product again and again !!!

    4.0

    7 years ago

    T-Dog

    North Missouri

    Verified

    Installed on my 89 mustang gt for 1/8 th mile racing ,overall the product is excellent and very easy to install .

    Would Recommend

    Showing 2 of 2 reviews

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