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Portable Qa1 8-3/4" Rear Coilover Conversion Kit - Single Adjustable, 175 Lbs/in Rate - 1963-1976 Plymouth Valiant Massive 90% Savings [Iko39hZd]

$90.99 $291.99 -69%

QA1 Rear Coilover Conversion Kit for 1963-1976 Plymouth ValiantTransform your 1963-1976 Plymouth Valiant with the QA1 Rear Coilover Conversion Kit, designed to upgrade your vehicle's rear suspension from leaf springs to a state-of-the-art QA1 coil-ov

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QA1 Rear Coilover Conversion Kit for 1963-1976 Plymouth Valiant

Transform your 1963-1976 Plymouth Valiant with the QA1 Rear Coilover Conversion Kit, designed to upgrade your vehicle's rear suspension from leaf springs to a state-of-the-art QA1 coil-over system. This innovative conversion kit features a triangulated 4-link design, offering a more planted feel, increased space for larger wheels and tires, and precise wheelbase correction for classic Mopar vehicles. The kit is engineered to provide a modern driving experience on the street while delivering the adjustability needed for autocross, road course, and drag strip performance.

Key Features and Specifications

Experience the QA1 difference with this comprehensive conversion kit. It includes powder-coated tubular components, such as the cross member, upper and lower trailing arms, and all necessary hardware for a seamless installation. The kit is compatible with popular rear axles, including Mopar 8 3/4", Ford 9", and Dana 60 rear ends. Choose from single-adjustable, double-adjustable, or MOD Series shocks to fine-tune ride and handling characteristics. The kit also allows for a 3" bumper exit exhaust, enhancing both aesthetics and performance.
  • Enhanced ride and handling
  • Compatible with various rear axles
  • Customizable shock options

Installation and Warranty

Installation of this kit requires minimal cutting and welding on the frame and axle housing, making it accessible for DIY enthusiasts. The kit is designed to work with both factory-located leaf spring mounts and modified inboard-located mounts. QA1 systems are backed by an industry-leading Limited Lifetime Warranty, ensuring peace of mind for your investment. Whether you're a street driver or a performance enthusiast, this kit is tailored to meet your needs.
  • Easy installation process
  • Industry-leading warranty
  • Customizable for street or performance use

What Our Customers Say

December 31, 2025

Absolutely no complaints!

The performance is reliable, and the design is timeless.

- Heidi B..

December 31, 2025

Absolutely no complaints!

This product is a brilliant investment. It is a top-quality product.

- Calvin W..

December 31, 2025

Absolutely no complaints!

This product is a great example of great design.

- Talia S..

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