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SKU: 52611-S650 | UPC: 806990152299
QA1 63-87 Chevrolet C10 (w/UCA) Front Coil-Over Conversion Kit - Single Adjustable (650lbs/in)
Transform the front suspension of your 1963-1987 Chevrolet C10 truck with the QA1 52611-S650 coil-over conversion kit. This complete bolt-in system includes upper and lower control arms, single adjustable coil-over shocks with 650 lb/in high-travel springs, upper brackets, and all hardware for direct replacement. Gain adjustable ride height with up to 5 inches of drop using drop spindles, plus 7 degrees of added caster for enhanced stability and road handling on street or strip.
Key Features
- Bolt-In Installation: Direct fit design bolts to factory locations on 63-87 C10 trucks, no chassis modifications required for fast setup.
- Adjustable Ride Height: Threaded coil-over bodies allow precise lowering up to 5 inches with drop spindles to achieve perfect stance.
- Increased Caster Geometry: Upper and lower control arms deliver up to 7 degrees more caster for straight-line stability and cornering confidence.
- Single Adjustable Shocks: Revalvable compression damping tunes ride for street driving, drag racing, or autocross without full shock rebuild.
- High-Travel 650 lb/in Springs: Progressive rate springs handle heavy loads while maintaining smooth control and preventing bottoming out.
Product Notes
- Requires stock or aftermarket drop spindles for maximum 5-inch drop. stock height compatible without.
- Single adjustable valving suits most performance builds. double adjustable option available separately.
- Ships fully assembled with all hardware. verify frame and control arm mounts are in good condition before install.
Installation Notes
- Professional installation recommended.
- Reuse factory bushings or upgrade to QA1 polyurethane for improved response. torque to spec.
- Compatible with stock sway bars and most aftermarket brakes. upper bracket secures to factory shock towers.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1963-1974 | Chevrolet | C10 Pickup | Base |
| 1967-1974 | Chevrolet | C10 Suburban | Base |
| 1975-1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1981-1986 | Chevrolet | C10 Suburban | Custom |
| 1975-1980 | Chevrolet | C10 Suburban | Scottsdale |
| 1984-1986 | Chevrolet | C10 Suburban | Scottsdale |
| 1975-1980 | Chevrolet | C10 Suburban | Silverado |
| 1982-1986 | Chevrolet | C10 Suburban | Silverado |
| 1978-1980 | Chevrolet | C10 | Big Ten |
| 1975-1981 | Chevrolet | C10 | Cheyenne |
| 1981-1986 | Chevrolet | C10 | Custom |
| 1975-1980 | Chevrolet | C10 | Custom Deluxe |
| 1975-1986 | Chevrolet | C10 | Scottsdale |
| 1975-1986 | Chevrolet | C10 | Silverado |
Why Choose QA1?
- Over 30 years leading motorsports suspension with rod ends, spherical bearings, and coil-overs trusted in racing.
- Manufactured in 83,000 sq ft Lakeville, MN facility for consistent quality and American-made durability.
- Best-in-class warranty backs every component for racing, street, and rod applications.
Frequently Asked Questions
-
Q: Does this kit fit 1963-1987 GMC C10 trucks?
A: Designed for Chevrolet C10/C10 Suburban. GMC applications require QA1 52612 series control arms for frame differences. -
Q: What materials are used in the control arms and shocks?
A: Boxed steel control arms with greasable ball joints and polyurethane bushings. aluminum shock bodies with steel springs for corrosion resistance and strength. -
Q: What is the warranty on this coil-over kit?
A: Lifetime warranty on control arms and limited 2-year warranty on shocks when registered. covers defects in materials and workmanship.
Shipping & Handling
- Method: UPS Ground or Freight for heavy package
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed at 48 x 16 x 16 inches
- Weight: 58 lbs
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