QA1 Front Upper And Lower Control Arm Conversion Kit Complete With Springs Double Adjustable Coilover Chevrolet C10 1963-1987

CJ's Part Number:


  • Made of 12-Gauge HSLA Steel
  • Maintenance-Free Bushings
  • Adds 7-Degrees of Caster
  • 100% Dyno-Tested Shocks

QA1 Complete Front Upper and Lower Control Arm Conversion Kit With Springs Double Adjustable Coilover for 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, and 1987 Chevrolet C10s.

Look no further for the perfect conversion kit on your C10's lower and upper control arms. Gain the perfect stance for your 1963-1987 Chevrolet C10 with QA1's 52611-D650 Complete Front Upper and Lower Control Arm Conversion Kit with Double Adjustable Coilover, and including three Spring Rate choices. Whether your need 650, 750, or 850 pounds worth of spring rating, you can count on the 12-gauge steel construction to give you the height adjustability desired.

Features & Benefits:
- The Perfect Stance
- Complete Conversion Upgrade 
- Double Adjustable 650lb Spring Rate  
- Dyno-Tested and Serialized Shocks
- 12-Gauge HSLA Steel Construction  
- Powder-Coated Steel Tubing  
- Maintenance-Free Polymer Bushings
- 7-Degrees of Added Caster For Stability
- Allows For Camber Adjustment
- Hardware Included
- Made in the USA

*Kit must use spindles compatible with 1973-1987 ball joints.

With the QA1 52611-D650 Complete Front Upper and Lower Control Arm Conversion Kit With Springs Double Adjustable Coilover, you can stop forward and rearward movements and metal-to-metal contact in your C10. When you convert your control arm to a double adjustable coil-over, you’re giving your C10 truck a superior driving experience, especially with the 650lb spring rating. These dyno-tested and serialized shocks offer great ride height adjustability. Included with your order is all of the coil-over and control arm hardware, plus the necessary nuts, bolts, etc to make it happen. Your C10 can gain even more drop when this system is used in combination with compatible, popular drop spindles.

The upper and lower control arms are manufactured with 12-gauge HSLA steel tubing for increased strength. They are also powder coated for a longevity. They feature QA1 performance ball joints and low-friction, maintenance-free polymer bushings for added performance. This kit adds up to 7-degrees of caster for more stability and allows for an ideal camber adjustment in lowered C10s.

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following C10 years:

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