This QA1 bolt-on rear suspension system converts the coil-spring rear of 1963-1972 C10 trucks to an adjustable coil-over setup, offering up to 6 inches of total drop. Tubular steel truck arms feature integrated pinion angle adjustment that eliminates angled shims and allows the wheelbase to be set precisely. An adjustable panhard bar keeps the rear centered, and multiple mounting locations correct roll center geometry for the chosen drop. The coil-overs are relocated outboard, closer to the wheel, for better cornering stability and clearance for rear-mounted fuel tanks. The system bolts on without removing the truck bed.
Specifications:
- Type: bolt-on rear coil-over suspension system
- Shock valving: Single-Adjustable
- Spring rate: 200 lb high-travel springs
- Drop: up to 6 inches total
- Includes: adjustable tubular truck arms, coil-over shocks, high-travel springs, C-notch bracket, panhard bar, and brace bar
- Installation: bolt-on, no bed removal required
- Part number: R110-200
Vehicle Applications:
- 1963 Chevrolet C10
- 1964 Chevrolet C10
- 1965 Chevrolet C10
- 1966 Chevrolet C10
- 1967 Chevrolet C10
- 1968 Chevrolet C10
- 1969 Chevrolet C10
- 1970 Chevrolet C10
- 1971 Chevrolet C10
- 1972 Chevrolet C10
FAQ
Which trucks does the QA1 R110/R210 rear system fit?
It fits 1963-1972 Chevrolet C10 trucks originally equipped with a coil-spring rear suspension.
How much drop does it provide?
The system offers up to 6 inches of total drop with adjustability to fine-tune the stance.
Does installation require removing the bed?
No. The entire rear system can be installed without removing the bed of the truck.
What shock valving does part R110-200 use?
Part R110-200 uses single-adjustable coil-over shocks with 200 lb high-travel springs.

