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QA1 Suspension System, Rear
$2484.95

Upgrade Your Classic Ride with the R255-175 Coil-Over Kit

Transform your classic Dodge Challenger or Plymouth Barracuda with the R255-175 QA1 coil-over kit. This innovative suspension system replaces the traditional leaf spring rear suspension with a state-of-the-art triangulated 4-link design, providing a more planted feel on the road while allowing for larger wheels and tires.

Key Features

  • Modern Suspension Design: The triangulated 4-link setup enhances stability and handling, making your ride smoother and more responsive.
  • Improved Wheel Clearance: Designed to accommodate a 3" bumper exit exhaust, this kit gives your vehicle the freedom to run larger tires without compromising performance.
  • Adjustable Ride Height: Fine-tune your vehicle’s stance and handling characteristics easily with adjustable coil-overs.
  • Multiple Shock Options: Choose from single-adjustable, double-adjustable, or MOD Series shocks to suit your driving style and performance needs.
  • Durable Construction: Made in the USA, the kit features powder-coated tubular components, ensuring long-lasting durability and performance.

Specifications

  • Fitment: Compatible with Mopar 70-74 E-Body models, including popular rear axles like Mopar 8 3/4", Ford 9", and Dana 60.
  • Installation: Requires minor cutting and welding on the frame and axle housing. Compatible with factory-located or modified inboard-located leaf spring mounts.
  • Shock Recommendations: Single-adjustable shocks are ideal for street use, while double-adjustable shocks excel in drag racing, autocross, and road racing. MOD Series shocks are for those seeking maximum performance.

Performance Benefits

This QA1 suspension system not only enhances your vehicle's handling but also provides the adjustability needed for various driving conditions. Whether you're hitting the street or the track, the R255-175 kit ensures you have the right setup to maximize your driving experience.

Customer Feedback

Users have praised the R255-175 for its noticeable improvement in ride quality and handling. One customer noted, "The installation was straightforward, and the difference in performance is incredible. My Challenger feels like a whole new car!" Another remarked, "The adjustability of the shocks allowed me to set up my Barracuda perfectly for both street cruising and track days."

Warranty Information

The single- and double-adjustable shocks come with an industry-leading Limited Lifetime Warranty, giving you peace of mind with your investment.

Take Your Ride to the Next Level

With the R255-175 coil-over kit, you’re not just upgrading your suspension; you’re enhancing your entire driving experience. Get ready to enjoy a smooth, responsive ride that turns heads on the street and performs under pressure on the track!

Other Part Numbers:
QA1 #qapR255-175

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is QA1?

QA1 is a company that was founded in 1993. They specialize in manufacturing high-quality suspension parts, shock absorbers, composite driveshafts, bearings, steering components, and other related accessories. Their products are used in different industries such as the industrial, motorsports, and automotive sectors. Today, they are the leading manufacturer of OE parts in the market.

Suspension Experts

The company is best known for its motion control sub-assemblies and wide range of suspension systems. They are always searching for new ways to develop each component to enhance their products further. 

State-of-the-Art Facility

The company is housed in one of the most sophisticated facilities in the market to accommodate the increasing demands of its customers. With 100,000 square feet at their disposal, their facility contains high-tech equipment such as a CNC machine, laser cutting equipment, hydraulic presses, and filament windings. It allows them to manufacture the best product in the market.

QA1 is also one of the few companies that are ISO certified. It guarantees that their parts are manufactured consistently, following the standards put in place by the company and the regulators.

Purchase QA1 Products At Vivid Racing

If you are in the market for quality suspension parts for your vehicle, then QA1 is the brand for you. They have been manufacturing components for the last 28 years and have consistently given their customers parts that meet their demand. To know more about QA1, visit Vivid Racing and check out their list of parts that meet your demand.



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Sale price None
Wholesale price $2,598.75
Shipping Weight: 74.90
Length: 96
Width: 56
Height: 30
Product Added At Monday 23 December, 2024
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By Turn_API
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Emissions Info
Carb Approved -
Carb Number -
Epa Status N/A
Prop65 Yes
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
Turn 14 $2,202.33 $2,752.91 ? $2,484.95 ? 2025-07-11 10:45:14

Manufacturer Direct Shipping
This item is available for direct shipping from the manufacturer. Please verify stock availability with the manufacturer. Once confirmed, you can place an order through [Meyer Distributing], who will arrange for dropshipping from the manufacturer directly to our customer.

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