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  See all Suspension products
QA1 Pro-Coil Front Shock Kit Double Adj. 450# C/O - GD401-10450C

QA1 GD401-10450C Pro Coil System

If you're seeking a suspension upgrade that offers both performance and adjustability, look no further than the QA1 GD401-10450C Pro Coil System. This system is designed for those who want to fine-tune their vehicle's ride height and valving to match their unique driving style.

Key Features

  • Adjustable Ride Height: The fully threaded body allows for precise adjustments, ensuring you achieve the perfect stance and optimal weight distribution for superior handling.
  • Lightweight High Travel Springs: These American-made springs are engineered with fewer coils and a smaller wire diameter, which increases travel and reduces unsprung weight. This design leads to quicker reactions and improved suspension performance.
  • Multiple Spring Rate Options: Tailor your setup with various spring rates tested across a wide range of applications, from casual street driving to rigorous racing conditions.
  • Easy Installation: The bolt-in design makes it simple to install, allowing you to get back on the road in no time.
  • 100% Dyno Tested: Each unit is serialized and dyno tested to ensure top-notch performance and reliability.
  • Serviceable and Rebuildable: Maintenance is straightforward, with authorized QA1 service centers available for servicing and rebuilding.
  • Made in the USA: Proudly manufactured in the United States, ensuring high-quality craftsmanship.

Specifications

  • Fitment: Front Pro Coil double adjustable stock mount shock kit
  • Compressed Length: 10.13 inches
  • Extended Length: 14 inches
  • Spring Rate: 450 lb/in
  • Sold in Pairs: Each system comes with two shocks for full front suspension support.

Applications

The GD401-10450C Pro Coil System is versatile and perfect for various applications, including:

  • Drag Racing
  • Street Performance
  • Autocross
  • Road Racing
  • Street Rods

Customer Insights

Users often highlight the ease of installation and the noticeable improvement in handling and ride quality. Many appreciate the ability to adjust the suspension settings based on their driving preferences, making it a favorite among both casual drivers and serious racers.

Other Part Numbers:
QA1 #qapGD401-10450C

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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Things
Sale price None
Wholesale price $917.99
Shipping Weight: 22.40
Length: 22
Width: 11
Height: 9
Product Added At Sunday 09 August, 2020
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 $777.96 $1,016.94 ? $917.95 ? 2025-07-11 10:44:41

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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