Product Summary

Front Position, Round Rotor Shape, Vented Rotor Type

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    Key Specs

    Rotor Diameter11 Inch
    Rotor StylePlain Face
    Rotor Material TypeCast Iron
    Rotor Thickness1.04"
    Bolt Pattern5 on 4.75"
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    Speedway Motors 91031083 Details

    We stock these hard-to-find replacement brake rotors for the 1979-1981 Camaro. Has the factory 5 on 4-3/4" bolt pattern. 

    Speedway Motors 91031083 Specifications

    KEY SPECS
    MFG. Part #91031083
    BrandSpeedway Motors
    Rotor Diameter11 Inch
    Rotor StylePlain Face
    Rotor Material TypeCast Iron
    Rotor Thickness1.04"
    Bolt Pattern5 on 4.75"
    GENERAL
    PositionFront
    Rotor ShapeRound
    Rotor TypeVented
    Rotor FinishPlain
    Stud Length0.86"
    Stud Diameter0.44"
    Thread Pitch7/16"-20
    Weight20.65 lbs.
    Sold in QuantityEach

    Questions & Answers

    4 Questions • 5 Answers

    What would be the correct bearing and seals that will be compatible with using a QA1 1980s style spindle 11inch rotor required.

    by Andrew

    • a year ago

    1 answer

    What is the over all depth of the rotor if laying flat on a table

    by Matt

    • 8 years ago

    1 answer

    Will this work on 88 caprice spindles?

    by jT72

    • 8 years ago

    2 answers

    Does these come with bearings installed?

    by Ric

    • 14 years ago

    1 answer

    4 of 4 questions shown

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