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Product Summary

Conversion Suspension Kit Type, Weight Jack Spring Type

    Key Specs

    Suspension Kit TypeConversion
    Suspension Height Adjustment0.0-2.5 Inch Lowered
    Rear Coil Springs IncludedYes
    Spring TypeWeight Jack
    Spring Rate175 lbs.

    Need To Know

    Quick and Easy Returns

    Return Policy

    UMI Performance 2075-1-B Details

    UMI's rear weight jacks provide ride height adjustment and excellent handling for your 3rd or 4th Gen GM F-Body. The kit includes custom wound premium race quality springs and our own unique spring perches featuring a smooth acting Torrington bearing. The heavy duty jack screw and spring pad is easily adjusted by using a 3/4" socket, extension and ratchet through the bottom of the existing hole in the axle. Installation requires simply removing the standard spring and inserting the weight jack assembly. Minor grinding required on left axle pad – instructions included. 100% Made In USA.

    Fitment Note: Works with factory rear end housing and Strange Engineering brand rear housings only. Minor grinding required on left axle pad – instructions included.

    Features:

    • 175 lb/in recommended for daily driving and street corner carving.

    • Springs are made from USA premium CrSi wire.

    • UMI Torrington bearing load adjuster for smooth, easy ride height changes.

    • Simple ride height adjustment with normal hand tools

    • Tough UMI red or gloss black powder coat.

    • Minor grinding required for installation – instructions included.

    • Includes upper poly isolator to dampen road noise.

    • Pairs nicely with UMI 2042UDF shock package.

    • Designed, manufactured and raced out of Philipsburg, PA – USA.

    Charts

    UMI Performance 2075-1-B Specifications

    KEY SPECS
    MFG. Part #2075-1-B
    BrandUMI Performance
    Suspension Kit TypeConversion
    Suspension Height Adjustment0.0-2.5 Inch Lowered
    Rear Coil Springs IncludedYes
    Spring TypeWeight Jack
    Spring Rate175 lbs.
    Shocks IncludedNo
    Bolt-OnYes
    Axle Housing IncludedNo
    Rear Leaf Springs IncludedNo
    Bushing MaterialPolyurethane
    Lower Trailing Arms IncludedNo
    Upper Trailing Arms IncludedNo
    Trailing Arm Mount Braces IncludedNo
    Hardware IncludedNo
    Air Springs IncludedNo
    Crossmember IncludedNo
    Frame Brackets IncludedNo
    Welding RequiredNo
    Rear Sway Bar IncludedNo
    End Link Bushings IncludedNo
    Sway Bar Bushings IncludedNo
    Panhard Bar IncludedNo
    Torque Arm IncludedNo
    Upper Control Arms IncludedNo
    Lower Control Arms IncludedNo
    Rear Strut Tower Bar IncludedNo
    Subframe Connectors IncludedNo
    Chassis Stiffener IncludedNo
    Calipers IncludedNo
    Rotors IncludedNo
    Brake Pads IncludedNo
    Brake Lines IncludedNo
    Wheel Studs IncludedNo
    GENERAL
    Speedway Motors Catalog Part #185-20751B
    FinishPowder Coated
    ColorBlack
    Sold in QuantitySet
    Bushing ColorBlack