Skip to Product Info
    • Photo - Primary
    • Photo - Primary
    • User 1
    • Logo Image
    Sale!New!

    QA1 Rear Coil-Over Conversion System Single Adjustable | 1964-1972 GM A-Body | RCK52340

    Vendor: QA1
    Part Number: RCK52340
    Save $99.96
    Sale Price $926.95 Regular Price $1,026.91

    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.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:

    The QA1 rear coil-over conversion kit is a bolt-in system for 1964-1972 GM A-Body vehicles. It includes USA-made mounting brackets, billet aluminum single adjustable shocks, 12" high travel springs rated at 150 lb/in, and all necessary hardware. A single knob adjusts rebound and compression together across 18 positions. The fully threaded shock body sets ride height from about one half inch above stock down to 2.25 inches lower. Each shock is 100 percent dyno tested and serialized, rebuildable through QA1, and made in the USA. Sold as a pair.

    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 150 lb/in
    • 100 percent dyno tested and serialized
    • Bolt-in installation
    • Made in the USA
    • Sold as a pair
    • Part number: RCK52340

    Vehicle Applications:

    • 1964 Oldsmobile 442
    • 1965 Oldsmobile 442
    • 1966 Oldsmobile 442
    • 1967 Oldsmobile 442
    • 1968 Oldsmobile 442
    • 1969 Oldsmobile 442
    • 1970 Oldsmobile 442
    • 1971 Oldsmobile 442
    • 1964 Chevrolet Chevelle
    • 1965 Chevrolet Chevelle
    • 1966 Chevrolet Chevelle
    • 1967 Chevrolet Chevelle
    • 1968 Chevrolet Chevelle
    • 1969 Chevrolet Chevelle
    • 1970 Chevrolet Chevelle
    • 1971 Chevrolet Chevelle
    • 1972 Chevrolet Chevelle
    • 1964 Oldsmobile Cutlass
    • 1965 Oldsmobile Cutlass
    • 1966 Oldsmobile Cutlass
    • 1967 Oldsmobile Cutlass
    • 1968 Oldsmobile Cutlass
    • 1969 Oldsmobile Cutlass
    • 1970 Oldsmobile Cutlass
    • 1971 Oldsmobile Cutlass
    • 1972 Oldsmobile Cutlass
    • 1964 Chevrolet El Camino
    • 1965 Chevrolet El Camino
    • 1966 Chevrolet El Camino
    • 1967 Chevrolet El Camino
    • 1968 Chevrolet El Camino
    • 1969 Chevrolet El Camino
    • 1970 Chevrolet El Camino
    • 1971 Chevrolet El Camino
    • 1972 Chevrolet El Camino
    • 1964 Pontiac GTO
    • 1965 Pontiac GTO
    • 1966 Pontiac GTO
    • 1967 Pontiac GTO
    • 1968 Pontiac GTO
    • 1969 Pontiac GTO
    • 1970 Pontiac GTO
    • 1971 Pontiac GTO
    • 1972 Pontiac GTO
    • 1965 Buick Gran Sport
    • 1966 Buick Gran Sport
    • 1967 Buick Gran Sport
    • 1969 Pontiac Grand Prix
    • 1970 Pontiac Grand Prix
    • 1971 Pontiac Grand Prix
    • 1972 Pontiac Grand Prix
    • 1964 Pontiac LeMans
    • 1965 Pontiac LeMans
    • 1966 Pontiac LeMans
    • 1967 Pontiac LeMans
    • 1968 Pontiac LeMans
    • 1969 Pontiac LeMans
    • 1970 Pontiac LeMans
    • 1971 Pontiac LeMans
    • 1972 Pontiac LeMans
    • 1970 Chevrolet Monte Carlo
    • 1971 Chevrolet Monte Carlo
    • 1972 Chevrolet Monte Carlo
    • 1964 Buick Skylark
    • 1965 Buick Skylark
    • 1966 Buick Skylark
    • 1967 Buick Skylark
    • 1968 Buick Skylark
    • 1969 Buick Skylark
    • 1970 Buick Skylark
    • 1971 Buick Skylark
    • 1972 Buick Skylark
    • 1964 Buick Special
    • 1965 Buick Special
    • 1966 Buick Special
    • 1967 Buick Special
    • 1968 Buick Special
    • 1969 Buick Special
    • 1971 GMC Sprint
    • 1972 GMC Sprint
    • 1964 Pontiac Tempest
    • 1965 Pontiac Tempest
    • 1966 Pontiac Tempest
    • 1967 Pontiac Tempest
    • 1968 Pontiac Tempest
    • 1969 Pontiac Tempest
    • 1970 Pontiac Tempest
    • 1964 Oldsmobile Vista Cruiser
    • 1965 Oldsmobile Vista Cruiser
    • 1966 Oldsmobile Vista Cruiser
    • 1967 Oldsmobile Vista Cruiser
    • 1968 Oldsmobile Vista Cruiser
    • 1969 Oldsmobile Vista Cruiser
    • 1970 Oldsmobile Vista Cruiser
    • 1971 Oldsmobile Vista Cruiser
    • 1972 Oldsmobile Vista Cruiser

    Installation Instructions

    FAQ

    What does this QA1 rear coil-over conversion kit fit?

    It is a bolt-in rear coil-over conversion kit for 1964-1972 GM A-Body vehicles. See the Vehicle Applications list for the covered models and years.

    Is this kit single or double adjustable?

    It uses single adjustable shocks that adjust rebound and compression together through 18 positions.

    How much does the ride height adjust?

    The fully threaded shock body allows ride height from about one half inch above stock down to 2.25 inches lower than stock.

    What is included in the kit?

    The kit includes two billet aluminum shocks, two high travel springs, and all mounting brackets and hardware, and is sold as a pair.

    Where are these shocks made?

    The shocks are made in the USA, and are 100 percent dyno tested, serialized, and rebuildable through QA1.

    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.

    Recently Viewed