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QA1 Kit Msii Alum C-O S-Adj 8-600. 1974-1978
$703.95

QA1 Mustang II Pro Coil Shock Systems

If you're seeking an exceptional ride quality that excels on both the street and the strip, the QA1 Mustang II Pro Coil Shock Systems are your go-to solution. Designed for versatility, these systems cater to a variety of performance needs, whether you're into drag racing, street performance, autocross, or building a street rod.

Key Features

  • Adjustable Options: Choose from double adjustable, single adjustable, drag "R" series adjustable, and non-adjustable valving options.
  • Spring Rate Choices: Select from four different spring rate options to match your driving style and preferences.
  • Customizable Ride Height: The fully threaded body allows for precise adjustments, enabling you to achieve the perfect stance and weight balance for superior handling.
  • Quality Construction: Each system includes two high-performance shocks, two chrome-plated springs specifically designed for durability, and all necessary mounting hardware.
  • Easy Installation: Enjoy a straightforward, bolt-in installation process that makes upgrading your suspension a breeze.
  • Made in the USA: Proudly manufactured in the United States, ensuring top-notch quality and craftsmanship.
  • Rebuildable and Revalveable: Both the QA1 Factory and authorized service centers can easily rebuild and revalve your shocks, extending their lifespan and performance.

Specifications

  • Model: MS301-08600
  • Spring Length: 8 inches
  • Spring Rate: 600 lbs
  • Sold In: Pairs
  • Material: Lightweight aluminum for enhanced performance
  • Testing: 100% dyno tested and serialized for reliability

Fitment

The QA1 Mustang II Pro Coil Shock Systems are designed to fit a variety of applications, making them ideal for enthusiasts who demand both performance and practicality. Whether you're upgrading a classic Mustang or enhancing a custom build, these systems will provide the performance boost you need.

Customer Insights

Users have praised the QA1 Mustang II Pro Coil Shock Systems for their impressive ride quality and adjustability. Many have noted how easy the installation process was, allowing them to quickly enjoy improved handling and performance. The ability to fine-tune ride height has also been highlighted as a significant benefit, giving drivers the confidence to tackle any driving condition.

Other Part Numbers:
QA1 #qapMS301-08600

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 $703.98
Shipping Weight: 18.60
Length: 25
Width: 10
Height: 6
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 $596.59 $779.86 ? $703.95 ? 2025-07-11 10:45:10

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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