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Product Summary

Universal Fit, Rear Position, 450 lbs. Spring Rate

    Comes as a Kit

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    Key Specs

    PositionRear
    Spring Rate450 lbs.
    Shock AdjustabilitySingle Adjustable
    Shock TypeTwin Tube
    Shock Body MaterialAluminum
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    Need To Know

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    QA1 721489-450 Details

    These premium aluminum bodied shocks are not a revalved race shock - they were built specifically for street rods. QA1 shocks feature 18 easily adjustable rebound settings to fine tune your hot rod's ride. Has 5/8" I.D. mounting eyes and includes 1/2" bushing.

    • Billet aluminum shock body
    • 5/8" centerless ground, hard chrome plated, solid piston rod 
    • Deflective Disc Valving
    • 3-step sealing system
    • 18-position adjuster knob changes the rebound valving
    • Allows suspension control in one easy-to-reach location
    • 100% dyno tested and serialized
    • Revalveable and rebuildable by QA1 authorized service centers

    QA1 721489-450 Specifications

    KEY SPECS
    MFG. Part #721489-450
    BrandQA1
    PositionRear
    Spring Rate450 lbs.
    Shock AdjustabilitySingle Adjustable
    Shock TypeTwin Tube
    Shock Body MaterialAluminum
    Upper Shock MountBushed Eyelet
    Lower Shock MountBushed Eyelet
    FinishAnodized
    GENERAL
    Shock Body TypeThreaded
    Compressed Length Range10.00" to 10.99"
    Compressed Length10.13"
    Extended Length Range14.00" to 14.99"
    Extended Length14"
    Number of Valving Selections18
    Coilover Kit IncludedYes
    Coilover Springs IncludedYes
    Bushing MaterialPolyurethane
    Body Diameter2.00"
    Sold in QuantityKit
    Hardware IncludedYes
    Mounting Bracket IncludedNo
    Customer Impersonation Script