Product Summary

Universal Fit, Rear Position, 175 lbs. Spring Rate

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    Key Specs

    PositionRear
    Spring Rate175 lbs.
    Shock AdjustabilitySingle Adjustable
    Shock TypeTwin Tube
    Shock Body MaterialAluminum
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    QA1 DS501-12175V Details

    Looking for an easy way to convert your stock suspension to a coil-over suspension? QA1 has you covered with their Pro Coil-Over Conversion System. Includes absolutely everything you need to get the job done!

    • Lightweight Aluminum Ride
    • Height Adjustable
    • Spring Mounting Hardware Included
    • 100% Dyno Tested and Serialized
    • Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers
    • 175-350 lbs spring rate
    • Made in the USA

    QA1 DS501-12175V Specifications

    KEY SPECS
    MFG. Part #DS501-12175V
    BrandQA1
    PositionRear
    Spring Rate175 lbs.
    Shock AdjustabilitySingle Adjustable
    Shock TypeTwin Tube
    Shock Body MaterialAluminum
    Shock Stroke5.00
    Upper Shock MountEyelet
    Lower Shock MountEyelet
    Height AdjustableYes
    FinishAnodized
    GENERAL
    Compressed Length Range11.00" to 11.99"
    Compressed Length11.63"
    Extended Length Range16.00" to 16.99"
    Extended Length16.88"
    Spring Length12 Inch
    Number of Valving Selections18
    Coilover Springs IncludedYes
    Bushing MaterialSteel
    Body Diameter2.00"
    Sold in QuantityKit
    AdjustableYes
    Hardware IncludedYes
    Crossmember IncludedYes
    Welding RequiredYes
    Gas ChargedNo
    Mounting Bracket IncludedYes
    Spring FinishPowder Coated
    NotesIncludes 12 in. coil-over springs.
    GTIN Code806990063052

    Questions & Answers

    4 Questions5 Answers

    It says 175 to 350 spring rate how come it doesn't ask me to chose rate when putting on Build list like just coil overs do when they are not in a kit

    by Wade

    7 years ago

    1 answer

    I am interested in the QA1 coil over kit and need to know what kit/ part number is recommended for a 1972 Chevy V8 Vega with a stock Monza 10 bolt rear end

    by Carlos

    7 years ago

    2 answers

    Is this system a bolt on or weld?

    by Joe

    7 years ago

    1 answer

    Will this work on a 1985 GMC Jimmy s15? Has drop spindles im told.

    by Mitc

    8 years ago

    1 answer

    4 of 4 questions shown

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