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

⚡ 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