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QA1 1988-98 C1500 Rear Coilover Conversion Systems R140-170

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Parts & Accessories

QA1 1988-98 C1500 Rear Coilover Conversion Systems R140-170

SKU b389e3294ee9

Car Chassis & Suspension Kits

$1,334.86

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No warranty

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Specification

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Part number
b389e3294ee9
Department
Parts & Accessories
Category
Car Chassis & Suspension Kits

In the seller's words

Description

QA1 1988-98 C1500 Rear Coilover Conversion System – Ultimate Performance Upgrade!

The QA1 1988-98 C1500 Rear Coilover Conversion System (R140-170) is a high-performance rear suspension upgrade that replaces outdated leaf springs with adjustable coilovers, an adjustable panhard bar, and trailing arms. This easy-to-install system enhances handling, ride comfort, and suspension control while maintaining full adjustability.

Perfect for street performance, towing, and daily driving applications!

What’s Included in the Kit?

✅ QA1 Adjustable Coilover Shocks – Fine-tune damping for performance or comfort
✅ 170 lbs./in. Coilover Springs – Designed for a smooth yet stable ride
✅ Adjustable Panhard Bar – Ensures proper rear axle alignment
✅ Torque Arm Suspension with C-Notch Bracket – Improves rear-end stability & support
✅ Adjustable Lower Trailing Arms – Allows fine-tuning of suspension geometry
✅ All Necessary Mounting Hardware – Complete installation package

Everything you need for a modern-handling C1500 in one complete package!

Technical Specifications

Feature Details
Brand QA1
Manufacturer Part # R140-170
Product Type Rear Suspension Package
Designed For 1988-98 Chevy/GMC C1500 (10-Bolt Differential Only)
Ride Height Adjustment 4-7 inches of drop
Shock Type Single Adjustable Coilover
Coilover Spring Rate 170 lbs./in.
Spring Finish Gray/Silver
Suspension Finish Black Powdercoated
Adjustable Panhard Bar ✅ Yes (On-Car Adjustable)
Lower Trailing Arms ✅ Yes (On-Car Adjustable)
Trailing Arm Mount Braces ✅ Yes
Bed Removal Required? ❌ No
Welding Required? ❌ No
Hardware Included? ✅ Yes
Brake Components Included? ❌ No
Quantity Sold as a kit

⚡ Optimized for enhanced stability, improved traction, and a modern ride feel!

Fitment & Compatibility

✔ Fits 1988-1998 Chevrolet & GMC C1500 Models
✔ Designed for trucks with 10-bolt rear differentials only
✔ Compatible with factory and aftermarket wheels/suspension setups

Ensure proper fitment before purchasing!

Installation Notes & Tips

Direct Bolt-On Installation – No welding or bed removal required
⚙️ Includes all necessary hardware for easy install
Adjustable panhard bar ensures proper rear axle alignment
Professional installation recommended for best performance

⚠️ Not compatible with 12-bolt rear differentials

❓ Frequently Asked Questions (FAQ)

How does this system improve handling over stock suspension?

  • The QA1 coilover conversion eliminates factory leaf springs and replaces them with adjustable coilovers and a panhard bar, providing better handling, reduced body roll, and superior ride quality.

Is this a direct bolt-on kit?

  • Yes! This system bolts directly to factory mounting points with no cutting or welding required.

Can I adjust my ride height with this kit?

  • Yes! The system allows for a 4 to 7-inch rear drop for a more aggressive stance.

Will this work with my stock wheels and brakes?

  • Yes! The kit is compatible with stock and aftermarket setups.

Does this kit include disc brakes?

  • No. The system does not include brakes, but is compatible with factory and aftermarket brake setups.

Call to Action – Upgrade Your C1500’s Suspension Today!

Transform your classic Chevy/GMC truck with the QA1 1988-98 C1500 Rear Coilover Conversion System!

✔ Upgrade your suspension for modern performance
✔ Lower your truck 4-7 inches for a custom stance
✔ Improve handling, ride quality, and axle alignment
✔ Bolt-on installation – No welding or bed removal required!

Order Now & Experience the Best Rear Suspension Upgrade for Your C1500!

Overview

Brand:
QA1
Manufacturer’s Part Number:
R140-170
Part Type:
Rear Suspension Packages
Product Line:
QA1 1988-98 C1500 Rear Coilover Conversion Systems
Summit Racing Part Number:
QA1-R140-170
UPC:
806990158932
Third Member Included:
No
Axle Shafts Included:
No
Upper Control Arms Included:
No
Lower Control Arms Included:
No
Air Bags Included:
No
Rear Shocks/Struts Included:
Yes
Rear Shock Type:
Single adjustable coilover
Coilover Springs Included:
Yes
Coilover Spring Rate (lbs/in):
170 lbs./in.
Spring Finish:
Gray/Silver
Suspension Package Finish:
Black powdercoated
Bushings Included:
No
Sway Bar Included:
No
Watts Link Included:
No
Panhard Bar Included:
Yes
Adjustable Panhard Bar Included:
Yes
Adjustable Panhard Bar Type:
On car adjustable
Upper Trailing Arms Included:
No
Adjustable Upper Trailing Arms Included:
No
Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Type:
On car adjustable
Trailing Arm Mount Braces Included:
Yes
Trailing Arm Hardware Included:
Yes
Rotors Included:
No
Calipers Included:
No
Quantity:
Sold as a kit.
Notes:
For 4.000-7.000 in. of rear drop. Fit models with 10-bolt rear differentials only.

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