SKU: R230-250 | UPC: 806990156365
QA1 73-87 Chevy C10 Rear Suspension Conversion System – Firm – GM 10 Bolt – Double Adj. (250lbs/in)
This bolt-in rear suspension conversion system upgrades 1973-1987 Chevy C10 and C20 2WD trucks with a torque arm design that controls movement precisely for smooth ride quality and sharp handling. Engineered without 4-link binding issues it fits GM 10-bolt axles and requires no bed removal. Adjustable coil-overs allow 4 to 7 inches of drop below stock height for custom stance.
Key Features
- Bolt-in Torque Arm Design: Provides precise suspension control and eliminates binding common in 4-link setups for consistent performance on street or track.
- Double Adjustable Coil-Overs: Firm 250 lb/in springs with independent rebound and compression damping adjustments for tailored ride and handling.
- Ride Height Adjustment: Threaded spring seats offer 4 to 7 inches of drop below stock easily set perfect stance paired with QA1 front systems.
- Complete Kit: Includes torque arm crossmember coil-overs control arms hardware and bushings everything needed for installation.
- USA Made Dyno Tested: All parts manufactured in Lakeville Minnesota with shocks serialized and 100% dyno tested for reliability.
Product Notes
- Designed for Fleetside beds on 2WD trucks stock frame width required.
- Compatible with GM 8.5-inch 10-bolt rear axles 30-spline axles recommended.
- Shipping weight 158 lbs packaged securely to prevent damage.
Installation Notes
- Professional installation recommended.
- Bolt-on using factory frame locations no welding or frame cutting needed.
- Requires removal of stock leaf springs and shocks verify axle width compatibility.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1987 | Chevrolet | C10 Pickup | 2WD Fleetside |
| 1973-1987 | Chevrolet | C20 Pickup | 2WD Fleetside |
| 1973-1987 | GMC | C1500 Pickup | 2WD Fleetside |
| 1973-1987 | GMC | C2500 Pickup | 2WD Fleetside |
Why Choose QA1?
- Decades of expertise in motorsports suspension for trucks.
- High-strength components ensure long-term durability under heavy loads.
- Precision engineering delivers repeatable performance dyno-verified.
Frequently Asked Questions
- Q: Does this fit stepside beds or 4WD trucks?
A: Fits only 2WD Fleetside beds 1973-1987 C10/C20 C1500/C2500 no stepside or K-series 4WD. - Q: What adjustments do the coil-overs offer?
A: Double adjustable with 24-position rebound and 16-position compression knobs plus threaded height adjustment 4-7 inches drop. - Q: What is the warranty coverage?
A: Limited lifetime warranty on components one-year on shocks against manufacturing defects.
Shipping & Handling
- Method: UPS Freight
- Availability: In stock – ships same or next business day
- Packaging: Single oversized box 48in L x 20in W x 16in H
- Weight: 158 lbs
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