See all Suspension products
Product thumb
QA1 Kit, Pro-Coil Aluminum S-Adj 09-650 Pigtail Large 1963-1982
$713.95

QA1 GM Pro Coil System - GS507-09650D

Upgrade your ride with the QA1 GM Pro Coil System, designed specifically for 1958-1970 Impalas and Full Size GM vehicles, including Chevy, Buick, Oldsmobile, and Pontiac models. This system offers a fully adjustable ride height and valving control, making it an ideal choice for driving enthusiasts looking to fine-tune their vehicle's performance.

Key Features

  • Adjustable Ride Height: Easily modify your ride height for the perfect stance or to optimize weight balance for superior handling.
  • Customizable Spring Rates: Choose from multiple spring rate options tailored to your driving style, whether you prefer casual street driving or hardcore racing.
  • Lightweight Billet Aluminum Shocks: Designed for durability and performance, these shocks are lightweight yet robust, enhancing your vehicle's responsiveness.
  • High Travel Springs: Featuring fewer coils and a smaller wire diameter, these springs allow for increased travel and faster reaction times, optimizing suspension performance.
  • Easy Installation: This system offers a straightforward bolt-in installation process, making it accessible for DIY enthusiasts.
  • 100% Dyno Tested: Each unit is serialized and rigorously tested to ensure top-notch performance and reliability.
  • Serviceable and Rebuildable: Supported by QA1 Authorized Service Centers for maintenance and upgrades.
  • Made in the USA: Proudly manufactured in the USA, ensuring high-quality craftsmanship.

Specifications

The GS507-09650D system includes a Front Pro Coil single adjustable stock mount shock kit with the following specifications:

  • Compressed Length: 9.63 inches
  • Extended Length: 14.5 inches
  • Spring Length: 9 inches
  • Spring Rate: 650 lbs/in

Fitment

This coil system is compatible with a wide range of Full Size GM vehicles from 1958 to 1970, making it a versatile choice for many classic car enthusiasts.

Customer Feedback

Users have praised the QA1 GM Pro Coil System for its remarkable adjustability and ride quality. Many have noted significant improvements in handling and stability, especially during cornering and high-speed driving. The ease of installation has also been highlighted, making it a favorite among DIY mechanics.

Other Part Numbers:
QA1 #qapGS507-09650D

Proposition 65

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

QA1 Banner

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.



You're seeing this because you're logged into an employee account or you're accessing the site through an internal IP address. This information is not normally visible.
Things
Sale price None
Wholesale price $713.98
Shipping Weight: 28.50
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
View In Admin

Emissions Info
Carb Approved -
Carb Number -
Epa Status N/A
Prop65 Yes
Carb Required -
Vendors
Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
Vendor Inv Cost Retail Jobber MAP Core Updated
Turn 14 $605.07 $790.94 ? $713.95 ? 2025-07-11 10:45:07

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.

Check out these other great products