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QA1 12.625/18.75" Extended Height Proma Star Single Adjustable
$224.95
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QA1 DS602 Proma Star Coil-Overs

Upgrade your suspension with the QA1 DS602 Proma Star Coil-Overs, designed to enhance ride quality and performance across a wide range of vehicles. Whether you're building a custom chassis or looking for a direct-fit solution, these coil-overs offer the versatility and functionality you need.

Key Features

  • Adjustability: Choose between single or double-adjustable valving to tailor your ride comfort and performance.
  • Stroke Options: Available with 3" to 9" of stroke for optimal customization.
  • Quick Ride Height Adjustability: The included hardware kit allows for easy adjustments, so you can achieve the perfect stance.
  • Spring Compatibility: Simply add a 2.5" spring of the appropriate length and spring rate to get started.
  • Multiple Mounting Configurations: Options include poly bushing with ’? and 5/8?? sleeves for reduced NVH, or bearing mounts for minimal deflection.

Performance Benefits

The QA1 DS602 is perfect for street cars and track enthusiasts alike. Single-adjustable shocks are great for everyday driving, allowing you to easily soften or stiffen your ride with just one knob. For those who frequent the track, the double-adjustable option provides independent compression and rebound tuning, making it easy to dial in your setup whether you're on the street, drag strip, or road course.

Specifications

  • Adjustability: Single Adjustable
  • Mounting: Bushing
  • Compressed Height: 12.625 inches
  • Extended Height: 18.75 inches
  • Recommended Ride Height: 15.25" to 16.75"

For a detailed installation process, check out the Installation Guide.

Important Considerations

  • Ensure your shock has adequate travel to prevent overextending or bottoming out.
  • Consider using available spanner wrenches and thrust bearings for easier ride height adjustments.
  • If utilizing a stock spring pocket, confirm that you can achieve your desired ride height while maintaining sufficient shock travel.

Customer Insights

Users have praised the QA1 DS602 for its impressive adjustability and ease of installation. Many have noted significant improvements in handling and overall ride comfort, making it a popular choice among both casual drivers and serious racers. The ability to fine-tune settings for different driving conditions has been highlighted as a game-changer, allowing for a tailored driving experience every time.

Warranty

All QA1 Proma Star shocks are proudly made in the USA and come with an industry-leading Limited Lifetime Warranty. Don’t forget to register your shocks at QA1.net/warranty before installation to ensure your investment is protected.

Other Part Numbers:
QA1 #qapDS602

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 $224.97
Shipping Weight: 4.50
Length: 19
Width: 4
Height: 4
Product Added At Monday 29 January, 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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Turn 14 $190.65 $249.21 ? $224.95 ? 2025-07-11 10:44:51

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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