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Home Car Chassis & Suspension Kits QA1 Four Link Conversions R256-170
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Flaming River 1963-82 Corvette Power Rack and Pinion Cradle Kits FR312PW
Flaming River 1963-82 Corvette Power Rack and Pinion Cradle Kits FR312PW $1,155.00

QA1 Four Link Conversions R256-170

$1,266.00

✔ Replaces Leaf Springs with a Fully Adjustable 4-Link System
✔ Double Adjustable Coilover Shocks for Precision Ride Tuning
✔ Fully Adjustable Upper & Lower Trailing Arms for Suspension Fine-Tuning
✔ Minimal Welding Required – No Floor Pan Modifications Needed
✔ Allows for Ride Height, Pinion Angle & Wheelbase Adjustments
✔ Ideal for Street & Track Performance
✔ Designed to Accommodate Wider Wheels & Tires

💡 Upgrade your rear suspension with QA1’s 4-link system—engineered for modern performance, better ride quality, and maximum traction!

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Category: Car Chassis & Suspension Kits
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Description

🔥 QA1 Four-Link Conversion – Ultimate Rear Suspension Upgrade!

The QA1 Four-Link Conversion (R256-170) is a state-of-the-art suspension upgrade designed to replace outdated leaf spring setups with a precision-engineered 4-link system. This setup provides better weight distribution, improved traction, and enhanced ride control, making it ideal for high-performance street driving and track applications.

🔧 Designed for easy setup, this kit allows ride height, pinion angle, and wheelbase adjustments without removing the links!

🔥 Perfect for pro-touring builds, drag racing, and street performance enthusiasts!


🔹 What’s Included in the Kit?

✅ Double Adjustable Rear Coilover Shocks – Provides custom damping adjustments for ride quality & handling
✅ 170 lbs./in. Coilover Springs (Gray/Silver Finish) – Optimized for balance between comfort & performance
✅ Double Adjustable Upper Trailing Arms – Allows pinion angle adjustments without removing links
✅ Single Adjustable Lower Trailing Arms – Fine-tune wheelbase & suspension alignment
✅ Trailing Arm Mount Braces for Increased Chassis Rigidity
✅ Spherical Bearing Bushings for Maximum Durability
✅ All Necessary Mounting Hardware for a Complete Installation
✅ Spanner Wrench for Easy Coilover Adjustments

🚀 Upgrade to QA1’s 4-link system and experience superior rear suspension stability, cornering precision, and comfort!


🔹 Technical Specifications

Feature Details
Brand QA1
Manufacturer Part # R256-170
Product Type Rear Suspension Conversion Kit
Third Member Included? ❌ No
Axle Shafts Included? ❌ No
Rear Shocks Included? ✅ Yes (Double Adjustable Coilover)
Coilover Springs Included? ✅ Yes
Spring Rate (lbs/in.) 170 lbs./in.
Suspension Package Finish Black Powdercoated
Trailing Arm Mount Braces Included? ✅ Yes
Adjustable Upper Trailing Arms? ✅ Yes (Double Adjustable)
Adjustable Lower Trailing Arms? ✅ Yes (Single Adjustable)
Bushings Included? ✅ Yes (Spherical Bearing)
Sway Bar Included? ❌ No
Watts Link Included? ❌ No
Panhard Bar Included? ❌ No
Brake Components Included? ❌ No
Welding Required? ✅ Yes
Quantity Sold as a kit

⚡ Gain superior control over your suspension geometry with this premium four-link conversion kit!


🔹 Fitment & Compatibility

✔ Designed for Vehicles Upgrading from Leaf Springs to a 4-Link System
✔ Compatible with Coilovers for Maximum Ride Adjustability
✔ Ideal for Street, Drag Racing & Pro-Touring Applications

💡 Perfect for enthusiasts looking for a suspension upgrade that balances ride quality, adjustability, and performance!


🔹 Installation Notes & Tips

🔧 Minimal Welding Required – Designed for a Smooth Installation
⚙️ Adjust Ride Height, Pinion Angle & Wheelbase with a Few Tweaks – No Link Removal Needed
🔩 Ensure Proper Suspension Alignment for Optimal Performance
🛠 Pair with Performance Coilovers for Maximum Handling Benefits

⚠️ Professional Installation Recommended for Best Results


❓ Frequently Asked Questions (FAQ)

🔹 What benefits does a 4-link suspension provide over leaf springs?

  • A 4-link system eliminates axle wrap, improves traction, and allows for finer suspension tuning, making it superior to leaf springs.

🔹 Do I need to modify my floor pan to install this kit?

  • No! This system is designed to fit without requiring any floor pan modifications.

🔹 How adjustable is this kit?

  • The double adjustable upper trailing arms and single adjustable lower trailing arms allow you to fine-tune ride height, pinion angle, and wheelbase without removing links.

🔹 Is this kit suitable for daily driving?

  • Yes! While optimized for performance, the adjustable coilovers allow for ride comfort customization, making it great for both daily use and track days.

🔹 Does this kit require additional components for installation?

  • No, this kit includes everything needed for installation, but professional alignment is recommended post-installation.

🔥 Call to Action – Upgrade to a Performance 4-Link Suspension Today!

🏆 Transform your vehicle’s ride, handling, and stance with the QA1 Four-Link Conversion Kit!

✔ Fully Adjustable 4-Link Design for Maximum Performance & Comfort
✔ Double Adjustable Coilovers for Tunable Ride Height & Suspension Control
✔ Perfect for Street, Drag Racing & Pro-Touring Applications
✔ Minimal Welding Required – No Floor Modifications Needed

🛒 Order Now & Take Your Suspension to the Next Level! 🚀

Overview

Brand:
QA1
Manufacturer’s Part Number:
R256-170
Part Type:
Rear Suspension Packages
Product Line:
QA1 Four Link Conversions
Summit Racing Part Number:
QA1-R256-170
UPC:
806990175205
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:
Double 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:
Yes
Bushing Material:
Spherical bearing
Sway Bar Included:
No
Watts Link Included:
No
Panhard Bar Included:
No
Adjustable Panhard Bar Included:
No
Upper Trailing Arms Included:
Yes
Adjustable Upper Trailing Arms Included:
Yes
Adjustable Upper Trailing Arms Type:
Double adjustable
Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Type:
Single adjustable
Trailing Arm Mount Braces Included:
Yes
Trailing Arm Hardware Included:
Yes
Rotors Included:
No
Calipers Included:
No
Quantity:
Sold as a kit.
Notes:
Welding is required. Includes spanner wrench for coilovers.
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