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“Winters Performance SR2550STB SR2980 Nostalgia V8 Quickchange, Plain” has been added to your cart. View cart
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Home Car Chassis & Suspension Kits QA1 Mopar Front Street Performance Coilover Conversion Systems 52346-S400
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QA1 1963-72 C10 Coilover Conversion Systems 52622-S850
QA1 1963-72 C10 Coilover Conversion Systems 52622-S850 $2,955.00

QA1 Mopar Front Street Performance Coilover Conversion Systems 52346-S400

$3,420.00

✔ Designed for Classic Mopar B/E-Body Cars – Ideal for Dodge Charger, Plymouth Road Runner, and other classic Mopar models
✔ Modern Ride Quality & Performance Handling – Transforms your classic muscle car into a restomod
✔ Adjustable Ride Height – Provides 0 to 2 inches of drop
✔ Single Adjustable Coilovers – Fine-tune ride quality for street driving
✔ Rack-and-Pinion Steering – Modern steering feel & improved control
✔ Tubular Control Arms – Reduces weight, improves geometry, and enhances cornering ability
✔ Bolt-On Installation – No welding required for a hassle-free upgrade

🔥 Upgrade your Mopar’s front suspension for improved handling, stance, and performance!

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Description

🚗 QA1 Mopar Front Street Performance Coilover Conversion System – Ultimate Handling Upgrade!

The QA1 Mopar Front Street Performance Coilover Conversion System (52346-S400) is an advanced suspension upgrade that replaces outdated components with modern coilovers, tubular control arms, and rack-and-pinion steering. Designed for classic Mopar B/E-body muscle cars, this system significantly improves steering precision, suspension geometry, and ride comfort.

💡 Perfect for everyday street driving, drag racing, and autocross performance!


🔹 What’s Included in the Kit?

✅ Steel Crossmember – Provides rigidity and improves suspension strength
✅ Stock-Height Spindles – Maintains proper suspension geometry
✅ Tubular Upper & Lower Control Arms – Stronger, lighter, and optimized for handling
✅ QA1 Single Adjustable Coilovers – Dial in compression and rebound settings
✅ 400 lb./in. Coilover Springs – Designed for street performance and daily driving
✅ Rack-and-Pinion Steering System – Provides precise steering response and reduces play
✅ Inner & Outer Tie Rod Ends – Ensures alignment and stability
✅ All Necessary Mounting Hardware – Complete installation package

🚀 Everything you need for a modern-handling Mopar muscle car in one complete package!


🔹 Technical Specifications

Feature Details
Brand QA1
Manufacturer Part # 52346-S400
Product Type Front Suspension Package
Crossmember Included ✅ Yes (Steel)
Welding Required ❌ No
Spindle Type Stock Height
Upper Control Arms ✅ Yes (Tubular Steel)
Lower Control Arms ✅ Yes (Tubular Steel)
Shock Type Single Adjustable Coilover
Coilover Spring Rate 400 lbs./in.
Rack & Pinion Steering ✅ Yes (Hydraulic Power Assist)
Brake Kit Included? ❌ No
Ride Height Adjustment 0-2 inches
Tie Rod Ends Included? ✅ Yes
Mounting Hardware Included? ✅ Yes
Installation Type Bolt-On
Quantity Sold as a Kit

⚡ Built for enhanced stability, ride comfort, and precise steering control!


🔹 Fitment & Compatibility

✔ Fits Classic Mopar B/E-Body Cars
✔ Compatible with 1966-74 Dodge Charger, Coronet, Plymouth Road Runner, GTX, and more
✔ Works with factory and aftermarket brake systems

💡 Ensure proper fitment before purchasing!


🔹 Installation Notes & Tips

🔧 Direct Bolt-On Installation – No welding required
⚙️ All necessary hardware is included
🔩 Rack-and-pinion upgrade improves steering response
🛠 Professional installation recommended for best performance

⚠️ Engine mounts must be purchased separately!


❓ Frequently Asked Questions (FAQ)

🔹 How does this system improve handling over stock suspension?

  • The QA1 coilover conversion replaces outdated torsion bars and worn suspension components with modern coilovers, tubular control arms, and a rack-and-pinion steering system. This results in better handling, reduced body roll, and a much smoother ride.

🔹 Is this a direct bolt-on kit?

  • Yes! The entire system is designed for bolt-on installation, with no cutting or welding required.

🔹 Can I use my factory steering components with this kit?

  • No. This kit comes with a rack-and-pinion system, which replaces the outdated steering box for better steering response and control.

🔹 Can I adjust my ride height with this kit?

  • Yes! The coilovers allow ride height adjustment from 0-2 inches.

🔹 Does this kit include disc brakes?

  • No. The kit is compatible with factory and aftermarket brake systems, but does not include rotors or calipers.

🔥 Call to Action – Upgrade Your Mopar’s Suspension Today!

🏆 Transform your classic Dodge or Plymouth into a modern-handling performance machine with the QA1 Mopar Front Street Performance Coilover Conversion System!

✔ Upgrade your steering with rack-and-pinion precision
✔ Lower your car up to 2 inches for a more aggressive stance
✔ Improve ride quality, handling, and cornering stability
✔ Bolt-on installation – No welding required!

🛒 Order Now & Experience the Best Suspension Upgrade for Classic Mopars! 🚀

Overview

Brand:
QA1
Manufacturer’s Part Number:
52346-S400
Part Type:
Front Suspension Packages
Product Line:
QA1 Mopar Front Street Performance Coilover Conversion Systems
Summit Racing Part Number:
QA1-52346-S400
UPC:
806990163592
Crossmember Included:
Yes
Crossmember Material:
Steel
Crossmember Color:
Black powdercoated
Welding Required:
No
Front Spindles Included:
Yes
Spindle Type:
Stock height
Spindle Finish:
Black powdercoated
Upper Control Arms Included:
Yes
Lower Control Arms Included:
Yes
Control Arm Style:
Tubular
Control Arm Material:
Steel
Control Arm Color:
Black
Upper Ball Joints Included:
Yes
Lower Ball Joints Included:
Yes
Rack and Pinion Included:
Yes
Steering Rack Type:
Hydraulic power assist
Rack Color:
Black
Shocks Included:
Yes
Shock Type:
Single adjustable coilover
Coilover Springs Included:
Yes
Coilover Spring Rate (lbs/in):
400 lbs./in.
Spring Finish:
Black
Disc Brake Kit Included:
No
Front Rotor Included:
No
Front Caliper Included:
No
Brake Pads Included:
No
Sway Bar Included:
No
Center Link Included:
No
King Pins Included:
No
King Pin Bearings Included:
No
Pitman Arm Included:
No
Idler Arm Included:
No
Tie Rod Sleeves Included:
Yes
Inner Tie Rod Ends Included:
Yes
Outer Tie Rod Ends Included:
Yes
Quantity:
Sold as a kit.
Notes:
Engine mounts must be purchased separate. Kit provides up to 2 in. of drop.
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