QA1 Four Link Conversions R156-170

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.