QA1 GS401-10350C Pro Coil Single Gm Body 806990062147 GS401-10450B

( Brand: Qa1 ), ( Manufacturer Part Number: GS401-10350C ), ( Placement On Vehicle: Front ), ( Type: Coilovers ), ( Item Width: 10.000 ), ( Item Length: 25.00 ), ( Material: Aluminum ), ( California Prop 65 Warning: True ), ( UPC: 806990062147 )

Review QA1 Pro Coil over System Single Adjustable Gm A body

Introducing the QA1 GS401-10350C and GS401-10450B Pro Coil-Over Single Adjustable Kit, specifically designed for GM A-Body vehicles. This high-performance suspension system is a must-have for enthusiasts seeking superior handling and adjustability.

The QA1 kit includes two adjustable coil-over struts, part numbers GS401-10350C for the front and GS401-10450B for the rear. These struts are engineered with heavy-duty 5/8" diameter chrome-plated steel shafts, providing excellent strength and durability. Each strut features a single adjustable monotube design, allowing you to fine-tune your vehicle's ride height with ease.

The monotube design also delivers consistent and reliable damping performance, ensuring that your vehicle remains stable and composed during aggressive driving maneuvers. The struts come with adjustable spring perches, enabling you to fine-tune the spring rate to your preference.

The QA1 Pro Coil-Over Single Adjustable Kit also includes adjustable camber plates in the front, allowing you to maintain optimal tire contact with the road surface. These plates are CNC-machined from billet aluminum and feature adjustable upper and lower camber settings.

The kit is designed to work with OEM-style mounts and includes new upper and lower mounts for a perfect fit. QA1 offers a wide range of spring rates to suit various driving styles and applications, ensuring that you can find the ideal setup for your vehicle.

Installation of the QA1 Pro Coil-Over Single Adjustable Kit is straightforward, with clear instructions provided. The kit is backed by QA1's industry-leading customer service and technical support, ensuring that you have access to expert assistance throughout the installation process and beyond.

In summary, the QA1 GS401-10350C and GS401-10450B Pro Coil-Over Single Adjustable Kit is a top-tier suspension upgrade for GM A-Body vehicles, offering superior handling, adjustability, and performance. With its heavy-duty design, consistent damping, and adjustable camber plates, this kit is the ideal choice for enthusiasts seeking the ultimate driving experience.

A Detailed Analysis of the QA1 GS401 Coil-Over Kits for GM A-Body Vehicles

The QA1 GS401 coil-over kits (GS401-10350C for front and GS401-10450B for rear) are popular aftermarket suspension solutions for GM A-body vehicles. These kits offer several benefits and drawbacks. Below, we'll discuss the pros and cons of purchasing these kits.

1. Improved Handling: The primary advantage of the QA1 coil-over kits is the enhanced handling they provide. These suspension upgrades offer adjustable ride height, which allows for better tire contact with the road, and adjustable damping, enabling drivers to fine-tune the feel of their vehicle based on road conditions and driving preferences.

2. Adjustable Ride Height: The adjustable ride height feature is beneficial for those who desire a lower, sportier look for their vehicles. Additionally, adjusting the ride height can help improve ground clearance, making the vehicle more suitable for off-road conditions or uneven surfaces.

3. Customizable Damping: By allowing users to adjust the damping, the QA1 coil-over kits cater to different driving styles and road conditions. This feature is particularly beneficial for those who frequently drive on various terrains or plan to use their vehicles for racing or track days.

4. High-Quality Construction: QA1 is known for its high-quality components and durable construction. The coil-over kits are no exception, as they are designed to withstand the rigors of performance driving and daily use.

1. Cost: The QA1 coil-over kits are more expensive than stock suspension components. This may be a significant drawback for those on a tight budget or those who are not planning to use their vehicles for high-performance applications.

2. Installation Complexity: Installing the QA1 coil-over kits requires a fair amount of mechanical expertise. The process can be time-consuming and may require additional tools and resources. It is recommended that the installation be done by a professional to ensure proper alignment and functionality.

3. Noise: Some users have reported increased noise from the suspension after installing the QA1 coil-over kits. This noise may be due to the stiffer springs or the adjustable damping feature. While this may not be a significant concern for those who prioritize performance, it could be a drawback for those seeking a quieter ride.

The QA1 GS401 coil-over kits offer several benefits for GM A-body vehicle owners, including improved handling, adjustable ride height, and customizable damping. However, they also come with a higher cost, installation complexity, and potential noise concerns. Ultimately, the decision to purchase these kits depends on the individual's priorities, driving style, and budget.

If you are looking for a high-performance suspension solution for your GM A-body vehicle and are willing to invest in the cost and installation complexity, the QA1 GS401 coil-over kits are an excellent choice. They offer superior handling and customization options that can significantly enhance your driving experience. However, if you are on a tight budget or prefer a quieter ride, you may want to consider alternative suspension upgrades or stock components.

Details:

Part # GS401-10350C Condition New Brand QA1 Sold Kit Details Info These GM Pro Coil Systems are a great option for anyone looking fully adjustable ride height and valving control. These shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or finely tune weight balance superior handling. Specs Sold in Quantity Kit Finish Anodized Shock Type Twin Tube Bushing Material Polyurethane Upper Mount Stud Body Aluminum Hardware Included Yes Adjustable Mounting Bracket No Extended length 14 Compressed 10.13 Diameter 2.00 Position Front Gas Charged Number of Valving Selections 18 Coilover Springs Cross member Welding required Notes designed to fit applications with small block engines. Application This Part Fits BUICK, GS 1970 - 1972, 400 1968 1969, 455 Skylark Special CHEVY, Chevalier Eli Amino GMC, Sprint 1971 OLDSMOBILE, 442 1971, Cutlass Vista Cruiser PONTIAC, GTO Leans Tempest.

Specially designed for the GM A-body platform, They are ideal anyone wanting fully adjustable ride height and valving control, You can choose a spring rate adjust ability that fits your driving style, Shocks also utilize threaded body allows you to adjust perfect stance, Has 10.13 compressed length 14 extended. Headquarters. Choose a spring rate and adjust ability that fits your driving style, adjust the valving to match you are on way.

part #: gs40110350c prices

• $749.95-$795.54

specifications coilspringi:

• brand: Qa1
• mpn: Gs401-10350c
• placement on vehicle: Front
• type: Coilovers
• item width: 10.000
• item length: 25.00
• material: Aluminum
• california prop 65 warning: True
• upc: 806990062147

seller coilspringi:

• rating: 99.6%
• # reviews: 343273
• city: Lakeville, Minnesota

offer coilspringi:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: December 28, 2025

general coilspringi:

• Car Truck Parts Accessories > Steering Suspension > Leaf Coil Springs
• condition: New

shipping coilspringi:

• carrier: UPS
• service: UPS Ground
• cost: $0.00
• type: Fixed
• class: Standard
• transit: 5-10 Days

returns coilspringi:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments coilspringi:

• wallet: Apple-pay
• credit card: Visa
• other

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