Description
QA1 Mopar Front Street Performance Coilover Conversion System – Precision Handling & Stance Control!
The QA1 Mopar Front Street Performance Coilover Conversion System (52343-S400) is the ultimate bolt-on front suspension upgrade for your classic Mopar muscle car. Whether you’re daily driving, drag racing, or hitting autocross events, this performance suspension system offers superior handling, ride quality, and modern steering response.
Designed for Dodge Charger, Road Runner, and other classic Mopars, this kit replaces outdated suspension components with precision-engineered, lightweight parts that reduce weight and optimize performance.
What’s Included in the Kit?
✅ High-Strength Steel Crossmember – Powdercoated for long-lasting durability
✅ Tubular Upper & Lower Control Arms – Optimized for performance and improved suspension geometry
✅ QA1 Single-Adjustable Coilovers – Fine-tune your ride for optimal comfort and control
✅ 400 lb./in. Coilover Springs – Precision-balanced for stability and ride quality
✅ Rack-and-Pinion Steering System – Smooth, responsive steering with hydraulic power assist
✅ Steel Stock-Height Front Spindles – Strong and durable for added reliability
✅ Inner & Outer Tie Rod Ends – Enhance steering precision and stability
✅ Bolt-On Installation – No welding required for a hassle-free upgrade
Everything you need to enhance your Mopar’s front-end performance in one complete package!
Technical Specifications
| Feature | Details |
|---|---|
| Brand | QA1 |
| Manufacturer Part # | 52343-S400 |
| Product Type | Front Suspension Package |
| Crossmember Included | ✅ Yes (Steel, Powdercoated) |
| Welding Required | ❌ No |
| Spindle Type | Stock Height |
| Spindle Material | Steel (Black Powdercoated) |
| 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) |
| Steering Rack Color | Black |
| Brake Kit Included? | ❌ No |
| Ride Height Adjustment | 0 to 2 inches of drop |
| Tie Rod Ends Included? | ✅ Yes |
| Mounting Hardware Included? | ✅ Yes |
| Installation Type | Bolt-On |
| Quantity | Sold as a Kit |
⚡ Perfect for daily driving, autocross, or drag racing applications – built for modern handling and performance!
Fitment & Compatibility
✔ Fits classic Dodge & Plymouth B/E-body Mopar muscle cars
✔ Designed for use with multiple engine configurations (including Gen 3 Hemi swaps)
✔ Compatible with stock-height spindles and aftermarket disc 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
⚠️ This kit provides up to 2 inches of ride height drop – ensure proper wheel and tire fitment before installation!
❓ Frequently Asked Questions (FAQ)
What makes this kit better than the stock Mopar suspension?
- The QA1 coilover conversion replaces the outdated torsion bar suspension with a modern coilover system, tubular control arms, and rack-and-pinion steering for better ride quality, sharper handling, and reduced weight.
Is this system compatible with Gen 3 Hemi swaps?
- Yes! The tubular control arm design improves exhaust clearance, making engine swaps much easier.
Can I use this kit for autocross or drag racing?
- Absolutely! While single-adjustable shocks are great for street driving, upgrading to double-adjustable coilovers would provide even greater tuning flexibility for racing applications.
Do I need to modify my frame to install this?
- No. This is a bolt-in system that does not require any frame modifications or welding.
Can I use my factory sway bar with this kit?
- Yes, but aftermarket sway bars may offer better performance and adjustability.
Call to Action – Upgrade Your Mopar’s Suspension Today!
Transform your classic Mopar into a modern-handling machine with the QA1 Mopar Front Street Performance Coilover Conversion System!
✔ Eliminate outdated torsion bar suspension
✔ Upgrade to rack-and-pinion steering for better response
✔ Adjust your ride height for the perfect stance
✔ Reduce weight & improve exhaust clearance
✔ Enhance stability, comfort, and cornering precision
Order Now & Experience the Best Suspension Upgrade for Classic Mopars!
Overview
Brand:
QA1
Manufacturer’s Part Number:
52343-S400
Part Type:
Front Suspension Packages
Product Line:
QA1 Mopar Front Street Performance Coilover Conversion Systems
Summit Racing Part Number:
QA1-52343-S400
UPC:
806990163516
Crossmember Included:
Yes
Crossmember Material:
Steel
Crossmember Color:
Black powdercoated
Welding Required:
No
Front Spindles Included:
Yes
Spindle Type:
Stock height
Spindle Material:
Steel
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:
Kit provides up to 2 in. of drop.
