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Condition notes recorded before palletizing.
30-Day Startup Warranty
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Auto Parts & Accessories
QA1 Mopar Front Street Performance Coilover Conversion Systems 52347-S400
$2,849.61
+ $295.00 flat-rate insured LTL freight
(details)
$3,144.61 delivered to the continental US
- Palletized and heavy shrink-wrapped for freight
- LTL carrier delivery with optional liftgate service
- Ships in 1–2 business days from Los Angeles, CA
- Transit typically 3–7 business days, continental US
Secure checkout by Stripe
Need a matched transmission, controls or wiring package? Speak with a parts specialist.
Details & Inspection Notes
QA1 Mopar Front Street Performance Coilover Conversion System, Upgrade Your Classic Mopar!
The QA1 Mopar Front Street Performance Coilover Conversion System (52347-S400) is designed to modernize classic Mopar muscle cars, improving handling, ride comfort, and stance. Featuring tubular construction, rack-and-pinion steering, and adjustable coilovers, this system allows you to corner, launch, and cruise like a modern performance car.
Direct bolt-on installation with no welding required!
Perfect for daily driving, drag racing, autocross, and road racing!
What’s Included in the Kit?
Steel Crossmember (Black Powdercoated)Provides a solid foundation for suspension and engine swaps
2″ Drop Front SpindlesEnhances stance and lowers center of gravity
Tubular Upper & Lower Control ArmsImproves exhaust clearance & reduces weight
Single Adjustable Coilover Shocks (400 lbs./in. Spring Rate)Adjust ride height & damping for street performance
Hydraulic Power Assist Rack & Pinion SteeringModernizes steering feel and improves handling
Tie Rod Sleeves & Inner/Outer Tie Rod EndsCompletes the steering upgrade for precision control
Upgrade your classic Mopar’s suspension with cutting-edge technology and enjoy a superior ride!
Technical Specifications
| Feature | Details |
|---|---|
| Brand | QA1 |
| Manufacturer Part # | 52347-S400 |
| Product Type | Front Coilover Conversion System |
| Crossmember Included? | Yes (Steel, Powdercoated Black) |
| Welding Required? | No |
| Front Spindles Included? | Yes (2” Drop, Powdercoated Black) |
| Upper Control Arms Included? | Yes (Tubular Steel) |
| Lower Control Arms Included? | Yes (Tubular Steel) |
| Ball Joints Included? | Yes (Upper & Lower) |
| Steering System | Hydraulic Power Assist Rack & Pinion |
| Shocks Included? | Yes (Single Adjustable Coilover) |
| Coilover Spring Rate | 400 lbs./in. |
| Spring Finish | Black |
| Disc Brake Kit Included? | No |
| Tie Rod Sleeves & Ends Included? | Yes |
| Ride Height Adjustment | 0-2” or 2-4” Drop |
| Installation Type | Bolt-On (No Welding Required) |
| Quantity | Sold as a Complete Kit |
Achieve modern sports car-like handling while maintaining classic Mopar muscle!
Fitment & Compatibility
Designed for Classic Mopar B/E-Body Vehicles (Charger, Road Runner, & More)
Compatible with Multiple Engine Configurations, Including Gen 3 HEMI Swaps
Requires a Minimum 18” Diameter Wheel
Perfect for street builds, restomods, and pro-touring Mopars!
Installation Notes & Tips
No welding required, Direct bolt-in fitment
Provides better suspension geometry & handling
Requires a separate engine mount purchase
Ensure proper wheel alignment after installation
For best performance, pair with upgraded rear suspension components for a balanced ride!
Frequently Asked Questions (FAQ)
How does this system improve handling?
- The rack & pinion steering, tubular control arms, and coilovers dramatically improve steering response, cornering ability, and ride comfort compared to stock setups.
Is this kit compatible with Gen 3 HEMI swaps?
- Yes! The crossmember is designed to accommodate multiple engine configurations, including Gen 3 HEMIs.
Can I install this myself?
- Yes! This is a bolt-in system, but professional installation is recommended for best results.
Does this kit include brakes?
- No. It does not include brakes, but it is compatible with aftermarket disc brake kits.
Will this kit lower my car?
- Yes! You can adjust the ride height from 0-2” or 2-4” for a customized stance.
Call to Action, Upgrade Your Classic Mopar Today!
Give your classic Mopar the modern handling and stance it deserves!
Rack & Pinion Steering for Precision Control
Adjustable Coilovers for Custom Stance & Performance
Tubular Components for Strength & Weight Savings
Direct Bolt-On Installation, No Welding Required!
Order Now & Experience the Ultimate Mopar Suspension Upgrade!
OverviewBrand:
QA1
Manufacturer’s Part Number:
52347-S400
Part Type:
Front Suspension Packages
Product Line:
QA1 Mopar Front Street Performance Coilover Conversion Systems
Summit Racing Part Number:
QA1-52347-S400
UPC:
806990163622
Crossmember Included:
Yes
Crossmember Material:
Steel
Crossmember Color:
Black powdercoated
Welding Required:
No
Front Spindles Included:
Yes
Spindle Type:
2 in. drop
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 2 in. to 4 in. of drop and requires a minimum 18 in. diameter wheel.
Startup & Installation Checklist
- Replace timing components, water pump and plugs before initial startup where applicable.
- Refill all fluids with manufacturer-specified oil and coolant.
- Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
- Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.
Full terms: 30-day startup warranty · returns
