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QA1 Four Link Conversions R156-170

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Parts & Accessories

QA1 Four Link Conversions R156-170

SKU 292658e20af4

Car Chassis & Suspension Kits

$1,088.19

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Warranty

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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Catalogue data

Specification

3 fields

Part number
292658e20af4
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 (R156-170) is a high-performance upgrade that replaces traditional leaf springs with a fully adjustable 4-link rear suspension. Designed for both street and track applications, this kit provides greater traction, better ride quality, and fine-tuned suspension control.

Minimal welding required – easy setup and installation!

Perfect for pro-touring, muscle cars, and drag racing applications where precise rear suspension tuning is key!

What’s Included in the Kit?

✅ Single Adjustable Rear Coilover Shocks – Provides custom damping adjustments for performance or comfort
✅ 170 lbs./in. Coilover Springs (Gray/Silver Finish) – Designed for balance between ride quality & performance
✅ Double Adjustable Upper Trailing Arms – Allows on-car pinion angle adjustments
✅ Single Adjustable Lower Trailing Arms – Fine-tune wheelbase & suspension alignment
✅ Trailing Arm Mount Braces for Added Stability – Enhances chassis rigidity
✅ Spherical Bearing Bushings – Reduces deflection for better handling response
✅ All Necessary Mounting Hardware for a Secure Fit
✅ Spanner Wrench for Easy Coilover Adjustments

Upgrade to QA1’s 4-link suspension and experience the difference in ride quality, handling precision, and performance tuning!

Technical Specifications

Feature Details
Brand QA1
Manufacturer Part # R156-170
Product Type Rear Suspension Conversion Kit
Third Member Included? ❌ No
Axle Shafts Included? ❌ No
Upper Control Arms Included? ❌ No
Lower Control Arms Included? ❌ No
Rear Shocks Included? ✅ Yes (Single 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
Quantity Sold as a kit

⚡ Gain better traction, suspension articulation, and stability with this premium four-link conversion kit!

Fitment & Compatibility

✔ Designed for Vehicles Looking to Upgrade from Leaf Springs to a Modern 4-Link Setup
✔ Compatible with Coilover Suspension Systems for Fine-Tuned Ride Height & Handling
✔ Ideal for Street Performance, Pro-Touring, and Drag Racing Applications

Perfect for enthusiasts who want a rear suspension system that balances daily drivability with high-performance handling!

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 After Installation for Maximum Performance
Pair with Performance Coilovers for Ultimate Handling & Comfort

⚠️ Professional Installation Recommended for Best Suspension Tuning & Setup

❓ Frequently Asked Questions (FAQ)

How does a 4-link suspension improve handling?

  • A triangulated 4-link setup eliminates axle wrap, improves traction, and provides superior handling compared to traditional leaf spring designs.

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

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

Can I adjust my ride height and suspension geometry with this kit?

  • Yes! The adjustable coilovers and trailing arms allow for easy tuning of ride height, pinion angle, and wheelbase.

Is this kit suitable for daily driving?

  • Absolutely! QA1’s single adjustable shocks allow for ride comfort customization, making it perfect for both daily driving and performance applications.

Do I need to purchase additional parts for installation?

  • No, this kit includes everything needed for installation—just ensure you have the required welding capabilities or professional assistance.

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

Ditch your outdated leaf springs and gain total control over your rear suspension with the QA1 Four-Link Conversion Kit!

✔ Fully Adjustable 4-Link Design for Maximum Performance & Comfort
✔ Single Adjustable Coilovers for Ride Height & Suspension Tuning
✔ Perfect for Street, Pro-Touring, & Drag Racing Applications
✔ Minimal Welding Required – Direct Fit with No Floor Modifications

Order Now & Experience a New Level of Suspension Performance!

Overview

Brand:
QA1
Manufacturer’s Part Number:
R156-170
Part Type:
Rear Suspension Packages
Product Line:
QA1 Four Link Conversions
Summit Racing Part Number:
QA1-R156-170
UPC:
806990175199
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:
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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