This QA1 rear suspension system converts 63-72 Chevy C10 trucks from coil-spring rear suspension to adjustable coil-overs, with up to 6in of total drop. Tubular steel truck arms feature integrated pinion angle adjustment and an adjustable panhard bar keeps the rear centered, and the whole system bolts on without removing the bed.
Specifications:
- Coil-spring to coil-over rear conversion
- Up to 6in of total drop
- Single-adjustable coil-overs, 200 lb/in spring rate (medium)
- Tubular steel truck arms with integrated pinion angle adjustment
- Adjustable panhard bar with multiple mounting locations for roll center correction
- Coil-overs relocated outside the frame rail for stability and fuel tank clearance
- Bolts on without removing the truck bed
- Made in the USA
- Part number: R110-200
Vehicle Applications:
- 1963 Chevrolet C10 Panel
- 1964 Chevrolet C10 Panel
- 1965 Chevrolet C10 Panel
- 1966 Chevrolet C10 Panel
- 1967 Chevrolet C10 Panel
- 1963 Chevrolet C10 Pickup
- 1964 Chevrolet C10 Pickup
- 1965 Chevrolet C10 Pickup
- 1966 Chevrolet C10 Pickup
- 1967 Chevrolet C10 Pickup
- 1968 Chevrolet C10 Pickup
- 1969 Chevrolet C10 Pickup
- 1970 Chevrolet C10 Pickup
- 1971 Chevrolet C10 Pickup
- 1972 Chevrolet C10 Pickup
- 1967 Chevrolet C10 Suburban
- 1968 Chevrolet C10 Suburban
- 1969 Chevrolet C10 Suburban
- 1970 Chevrolet C10 Suburban
- 1971 Chevrolet C10 Suburban
- 1972 Chevrolet C10 Suburban
FAQ
Does the bed need to be removed to install it?
No. The entire rear system can be installed without removing the bed of the truck.
How much drop does it provide?
The system offers up to 6in of total drop with corner-by-corner ride height adjustment.
Does this kit bolt in?
This QA1 kit is designed as a bolt-in installation for the 63-72 Chevy C10 using common hand tools, and it ships with the necessary hardware.
Are the shocks adjustable?
Yes. The QA1 coil-over shocks allow ride height adjustment and shock valving adjustment so the ride can be tuned for street or performance use.
Is a warranty included?
QA1 single and double adjustable shocks are eligible for a best-in-class Limited Lifetime Warranty with registration at QA1.net/warranty.
Where is it made?
QA1 suspension is made in the USA in Lakeville, Minnesota.

