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    Sale!New!

    QA1 Rear Coil-Over Conversion System Single Adjustable | 1979-2004 Ford Mustang | RCK52402

    Vendor: QA1
    Part Number: RCK52402
    Save $97.58
    Sale Price $904.95 Regular Price $1,002.53

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    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 QA1 rear coil-over conversion kit is a bolt-in system for 1979-2004 Ford Mustangs. It includes mounting brackets, single adjustable billet aluminum shocks, 12" springs rated at 130 lb/in, and all necessary hardware. The 18-way single adjuster tunes rebound and compression together, and the fully threaded aluminum body allows up to 2 inches of lowering from stock. Made in the USA and sold as a pair. Does not fit Cobra IRS.

    Specifications:

    • Lightweight billet aluminum coil-over shock
    • Fully threaded shock body for ride height adjustment
    • Single adjustable shock, 18 settings of simultaneous rebound and compression adjustment
    • 12" coil-over spring rated at 130 lb/in
    • 100 percent dyno tested and serialized
    • Bolt-in installation
    • Made in the USA
    • Sold as a pair
    • Part number: RCK52402

    Vehicle Applications:

    • 1979 Ford Mustang
    • 1980 Ford Mustang
    • 1981 Ford Mustang
    • 1982 Ford Mustang
    • 1983 Ford Mustang
    • 1984 Ford Mustang
    • 1985 Ford Mustang
    • 1986 Ford Mustang
    • 1987 Ford Mustang
    • 1988 Ford Mustang
    • 1989 Ford Mustang
    • 1990 Ford Mustang
    • 1991 Ford Mustang
    • 1992 Ford Mustang
    • 1993 Ford Mustang
    • 1994 Ford Mustang
    • 1995 Ford Mustang
    • 1996 Ford Mustang
    • 1997 Ford Mustang
    • 1998 Ford Mustang
    • 1999 Ford Mustang
    • 2000 Ford Mustang
    • 2001 Ford Mustang
    • 2002 Ford Mustang
    • 2003 Ford Mustang
    • 2004 Ford Mustang

    Installation Instructions

    FAQ

    What does this QA1 rear coil-over kit fit?

    It fits 1979-2004 Ford Mustangs. See the Vehicle Applications list for the covered years. It does not fit Cobra IRS.

    Is this single or double adjustable?

    It uses single adjustable shocks, which tune rebound and compression together across 18 settings.

    How much lowering does it allow?

    The fully threaded aluminum shock body allows up to 2 inches of lowering from stock ride height.

    What is included in the kit?

    The kit includes mounting brackets, adjustable aluminum shocks, springs, and all necessary hardware, and is sold as a pair.

    Does it fit the Cobra IRS?

    No. This kit does not fit Mustang Cobra models with the independent rear suspension.

    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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