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QA1 Four Link Conversions R256-170

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Parts & Accessories

QA1 Four Link Conversions R256-170

SKU 7450306b80da

Car Chassis & Suspension Kits

$1,127.37

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No warranty

Commercial use may carry a shorter period than pleasure use.

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Freight

Freight — oversize — from $349. Ships in 1–3 business days, 3–10 business days in transit.

Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.

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30-day return window · 25% restocking fee plus freight both ways.

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Specification

3 fields

Part number
7450306b80da
Department
Parts & Accessories
Category
Car Chassis & Suspension Kits

In the seller's words

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The QA1 Four-Link Conversion (R256-170) is a state-of-the-art suspension upgrade designed to replace outdated leaf spring setups with a precision-engineered 4-link system.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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