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SKU: R130-170 | UPC: 806990156259
QA1 73-87 Chevy C10 Rear Suspension Conversion System - Soft - GM 10 Bolt - Single Adj. (170lbs/in)
This complete bolt-in rear suspension conversion kit transforms 1973-1987 Chevy C10 trucks with GM 10-bolt axles into modern performers while keeping the bed in place. The torque arm design controls movement precisely for smooth rides and sharp handling on Fleetside 2WD models. Adjustable coilovers allow 4 to 7 inches of drop below stock height for custom stance.
Key Features
- Bolt-in Torque Arm: Engineered design prevents binding found in 4-link setups, delivering consistent control and traction.
- Single Adjustable Coilovers: 170 lb/in spring rate provides soft ride quality with damping adjustments for street or track use.
- No Bed Removal: Direct fit preserves truck originality and simplifies install on short or long bed Fleetside trucks.
- Complete Kit: Includes upper/lower control arms, torque arm, coilovers, bushings, and all hardware for one-box assembly.
- USA Made & Tested: Built in Lakeville Minnesota with 100 percent dyno-tested serialized shocks for reliability.
Product Notes
- Designed for GM 10-bolt 8.5 inch ring gear axles, stock width or narrowed up to 4 inches per side.
- Soft 170 lb/in springs suit daily driving, pair with QA1 front kit for full adjustable stance.
- Requires freight shipping due to size, inspect upon arrival for any damage.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory mounting points, no welding needed for standard setups.
- Compatible with OEM leaf spring perches or aftermarket GM 10-bolt housings.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1987 | Chevrolet | C10 Pickup | 2WD Fleetside |
| 1973-1987 | GMC | C1500 Pickup | 2WD Fleetside |
| 1973-1987 | Chevrolet | C15 Pickup | 2WD Fleetside |
Why Choose QA1?
- Proven leader in performance suspension for trucks and muscle cars.
- Every shock dyno-tested and serialized for consistent quality.
- Precision-engineered components built entirely in Minnesota USA.
Frequently Asked Questions
-
Q: Will this kit fit both short bed and long bed C10 trucks?
A: Yes, designed for 1973-1987 2WD Fleetside short bed and long bed pickups with GM 10-bolt rear. -
Q: What spring rate and adjustments are included?
A: Soft 170 lb/in linear rate coilovers with single rebound damping adjustment and 4-7 inch ride height drop capability. -
Q: What is the warranty on this suspension system?
A: QA1 provides limited lifetime warranty on bushings and arms, two years on adjustable shocks from purchase date.
Shipping & Handling
- Method: UPS Freight or LTL truck freight
- Availability: In stock - ships same or next business day
- Packaging: Single large box 49 x 25 x 13 inches
- Weight: 142 lbs shipping weight
QA1
Shop All QA1 Coilovers, Shocks, Springs, Handling Kits & Suspension Components Browse premium QA1 suspension parts and performance components at Black Ops Auto Works, including coilover kits, shock absorbers, lowering kits, handling kits, suspension conversion systems, four-link systems, springs, struts, rod ends, linkage rods, tube adapters, and suspension hardware for muscle cars, trucks, street builds, drag cars, and pro-touring applications. QA1 is one of the most recognized names in the suspension category, known for engineering products that improve ride quality, adjustability, handling, weight transfer, and overall vehicle control. Why Choose QA1 Suspension Products QA1 products are built for enthusiasts looking to improve suspension performance on classic, street, strip, and performance truck platforms. Popular reasons customers choose QA1 include: Adjustable suspension tuning for street and track use Improved handling, ride control, and weight transfer Vehicle-specific...
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