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    UMI Performance 1in Lowering Spring Kit — 1967-1972 GM A-Body | Front & Rear, Steel | 4050

    Vendor: UMI Performance
    Part Number: 4050
    Regular Price $319.99

    Currently out of stock.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    The UMI Performance 1 inch lowering spring kit is a front and rear coil spring set for 1967-1972 GM A-Body cars. It lowers ride height approximately 1 inch for a more aggressive stance and a lower center of gravity, which helps reduce body roll and sharpen handling compared to worn factory springs. The kit uses steel coil springs finished in a durable black powder coat and is sold as a complete front and rear kit. UMI manufactures this spring kit in the USA.

    Specifications:

    • Front and rear coil spring kit
    • Lowers ride height approximately 1 inch
    • Steel construction
    • Black powder coat finish
    • Sold as a kit
    • Made in the USA
    • Part number: 4050

    Vehicle Applications:

    • 1970 Buick GS
    • 1971 Buick GS
    • 1972 Buick GS
    • 1968 Buick GS 350
    • 1969 Buick GS 350
    • 1968 Buick GS 400
    • 1969 Buick GS 400
    • 1970 Buick GS 455
    • 1971 Buick GS 455
    • 1972 Buick GS 455
    • 1967 Buick Gran Sport
    • 1967 Buick Skylark
    • 1968 Buick Skylark
    • 1969 Buick Skylark
    • 1970 Buick Skylark
    • 1971 Buick Skylark
    • 1972 Buick Skylark
    • 1967 Buick Special
    • 1968 Buick Special
    • 1969 Buick Special
    • 1967 Buick Sportwagon
    • 1968 Buick Sportwagon
    • 1969 Buick Sportwagon
    • 1970 Buick Sportwagon
    • 1971 Buick Sportwagon
    • 1972 Buick Sportwagon
    • 1967 Chevrolet Chevelle
    • 1968 Chevrolet Chevelle
    • 1969 Chevrolet Chevelle
    • 1970 Chevrolet Chevelle
    • 1971 Chevrolet Chevelle
    • 1972 Chevrolet Chevelle
    • 1967 Chevrolet El Camino
    • 1968 Chevrolet El Camino
    • 1969 Chevrolet El Camino
    • 1970 Chevrolet El Camino
    • 1971 Chevrolet El Camino
    • 1972 Chevrolet El Camino
    • 1970 Chevrolet Monte Carlo
    • 1971 Chevrolet Monte Carlo
    • 1972 Chevrolet Monte Carlo
    • 1971 GMC Sprint
    • 1972 GMC Sprint
    • 1967 Oldsmobile 442
    • 1968 Oldsmobile 442
    • 1969 Oldsmobile 442
    • 1970 Oldsmobile 442
    • 1971 Oldsmobile 442
    • 1967 Oldsmobile Cutlass
    • 1968 Oldsmobile Cutlass
    • 1969 Oldsmobile Cutlass
    • 1970 Oldsmobile Cutlass
    • 1971 Oldsmobile Cutlass
    • 1972 Oldsmobile Cutlass
    • 1967 Oldsmobile Vista Cruiser
    • 1968 Oldsmobile Vista Cruiser
    • 1969 Oldsmobile Vista Cruiser
    • 1970 Oldsmobile Vista Cruiser
    • 1971 Oldsmobile Vista Cruiser
    • 1972 Oldsmobile Vista Cruiser
    • 1967 Pontiac GTO
    • 1968 Pontiac GTO
    • 1969 Pontiac GTO
    • 1970 Pontiac GTO
    • 1971 Pontiac GTO
    • 1972 Pontiac GTO
    • 1969 Pontiac Grand Prix
    • 1970 Pontiac Grand Prix
    • 1971 Pontiac Grand Prix
    • 1972 Pontiac Grand Prix
    • 1967 Pontiac LeMans
    • 1968 Pontiac LeMans
    • 1969 Pontiac LeMans
    • 1970 Pontiac LeMans
    • 1971 Pontiac LeMans
    • 1972 Pontiac LeMans
    • 1967 Pontiac Tempest
    • 1968 Pontiac Tempest
    • 1969 Pontiac Tempest
    • 1970 Pontiac Tempest

    FAQ

    What vehicles does the UMI 4050 lowering spring kit fit?

    It fits 1967-1972 GM A-Body cars, including the Chevrolet Chevelle, El Camino and Monte Carlo, Pontiac GTO, LeMans, Tempest and Grand Prix, Oldsmobile 442, Cutlass and Vista Cruiser, and Buick Skylark, Special and Sportwagon. See the Vehicle Applications list for the exact years by model.

    How much does this kit lower the car?

    It lowers ride height approximately 1 inch at the front and rear.

    Does this kit include both front and rear springs?

    Yes. It is a complete front and rear coil spring kit.

    Is this lowering spring kit made in the USA?

    Yes. UMI Performance manufactures this spring kit in the USA.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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