
Coil-Over And Crossmember Kit w/Single-Adjustable Shocks, 650 lb. Springs for 1963-1972 Chevy C10, GMC C-15 2WD Trucks
QA1 52622-S650 Coil-Over And Crossmember Kit Features:
- Powered rack-and-pinion offers quicker steering and increased steering angle when using larger wheels and tires
- The increased ground clearance allows lower ride heights
- Adjustable shock valving
- Bolt-in installation
QA1 52622-S650 Coil-Over And Crossmember Kit Fitment:
- Requires 1973-1987 C-10 Spindles such as Belltech 3100 or 3200 (sold separately) or equivalent
- No cutting or welding on the frame required
- Total inches of drop depends on wheel and tire choice
- Requires trimming of inner fenders
- Compatible with 15 in. and up wheels
- 18 in. and up wheels are required to optimize bump steer settings due to bushing clearance
- 18 in. wheels can have up to 6 in. backspacing
- 20 in. wheels can have up to 7 in. backspacing
- Works with OEM Small and Big Block Chevy oil pans
- May require different headers, depending on the header manufacturer
- Modular engine mounts (sold separately) that are year-range specific to maintain the original transmission mount location:
- Modular engine mount kits (sold separately) for customizing engine and transmission location:
- U-joint for steering rack is NOT included:
- 1963-1972 Trucks use JEGS 3/4 in. DD x 3/4 in.-36 Spline Steering U-Joint 555-607002 (sold separately)
- May require new power steering hoses depending on fittings, pump, and engine placement
Modern Handling for Classic GM Trucks
QA1's GM Truck Front Coil-Over Systems are available as a complete kit, including the crossmember, control arms, and shocks, or build your truck a little at a time with individual components.
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The QA1 GM Truck Front Coil-Over Conversion Systems are engineered for truck owners who want to modernize suspension performance with improved handling, adjustability, and ride quality. Designed specifically for GM truck platforms, these coil-over conversion kits replace factory spring and shock setups with a performance-oriented adjustable coilover system. Whether you’re building a street performance truck, a pro-touring C10, or a lowered daily driver, QA1 delivers the suspension control and engineering precision serious enthusiasts expect.
Upgrading to a front coil-over suspension system allows drivers to fine-tune ride height, spring rate, and damping characteristics to match their exact driving style. For classic and late-model GM truck builds, this conversion enhances both performance and stance while maintaining structural integrity and reliability.
Performance Benefits & Key Features
QA1 GM Truck Front Coil-Over Conversion Systems are designed to provide improved suspension geometry, responsive damping, and consistent load control. By integrating a threaded shock body with adjustable spring perches, these systems allow precise ride height adjustment and corner-weight tuning—key advantages for performance handling and aggressive street driving.
Performance-focused builders appreciate features such as lightweight yet durable construction, high-quality shock valving, and adjustable damping options that enhance traction and road feedback. Compared to factory suspension components, a coil-over conversion kit improves front-end stability under braking and cornering while reducing body roll.
These systems are ideal for street performance builds, autocross trucks, pro-touring applications, and lowered custom projects. The improved suspension control also benefits trucks with upgraded engines, modern wheel and tire packages, or modified steering components. For drivers seeking better ride quality without sacrificing responsiveness, QA1’s engineering strikes a strong balance between comfort and performance.
Fitment, Compatibility & Applications
QA1 GM Truck Front Coil-Over Conversion Systems are designed for compatibility with popular GM truck platforms, including classic C10 models and other GM pickups configured for front suspension upgrades. These kits are engineered for straightforward fitment within factory mounting locations, making them an attractive solution for restoration builds and modernized classic trucks alike.
Enthusiasts upgrading older suspension systems will benefit from improved alignment control and the flexibility to dial in stance and ride height. Whether your goal is a lowered street truck, a performance-focused restomod, or a weekend show build, these coil-over systems provide the adjustability needed to achieve the perfect setup.
When you’re ready to elevate your truck’s suspension performance, explore the available QA1 GM Truck Front Coil-Over Conversion Systems at JEGS and build with confidence using components trusted by serious performance enthusiasts.







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