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4057 1964-1972 GM A-Body Rear Coilover Bracket Kit; Black
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UMI PERFORMANCEPART NUMBER: 236-4057

4057 1964-1972 GM A-Body Rear Coilover Bracket Kit; Black

$25999
1 left in stock
ShippingShips on Sep 08, 2026
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Coilover Mount
  • 1964-1972 GM A-Body Rear Coilover Bracket Kit
  • Finish: Black Powdercoated
  • Material: Steel
  • Adjustable: Yes
  • Attachment: Bolt On
  • Grade: Performance
  • Hardware Included: Yes
  • Sold as a Kit

    Note: Rear shocks may not clear all exhaust tail pipes. Stock Axle Only: : This kit is a direct bolt-on only when used with a gm axle housing and stock gm brackets. aftermarket housings vary widely in design and layout, which means the 4057 bracket will not bolt on. UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustments, while trailing arm adjustment enables fine tuning of instant center.

    UMI Performance 236-4057 Coilover Mount Features:

    • Fits: 1964-1972 GM A-Body Rear Coilover Bracket Kit
    • Material: Steel
    • Finish: Black Powdercoated
    • Color: Black
    • Adjustable: Yes
    • Attachment Type: Bolt On
    • Pre-Greased: No
    • Hardware Included: Yes
    • Grade: Performance
    • Universal Or Specific Fit: Specific
  • Part TypeSuspension Lowering Kit
    BrandUMI PERFORMANCE
    Package Height6.0
    Package Width6.0
    Package Length14.0
    Weight12.0 PG
    Part CategoryPerformance Parts
    Part FitmentDirect Fit
    Vendor Part Number4057
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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