Description
QA1 1965-72 F-100 Rear Coilover Conversion System – Ultimate Performance & Adjustability!
The QA1 1965-72 F-100 Rear Coilover Conversion System (R120-250) is a high-performance rear suspension upgrade engineered for classic Ford F-100 trucks. This system replaces the factory leaf springs with a fully adjustable coilover setup, allowing for a 4” to 7” drop while enhancing ride quality, traction, and handling precision.
Designed for a bolt-in installation, this system does not require bed removal, making it an easy upgrade for enthusiasts and builders alike!
Perfect for custom builds, street trucks, and pro-touring F-100s!
What’s Included in the Kit?
✅ Single Adjustable Rear Coilover Shocks – Fine-tune damping for street & track performance
✅ 250 lbs./in. Coilover Springs (Gray/Silver Finish) – Provides a balance of comfort & performance
✅ Adjustable Lower Trailing Arms – On-car adjustability for easy suspension tuning
✅ Adjustable Torque Arm & Axle Mount – Controls axle wrap & improves traction
✅ Torque Arm Crossmember for Frame Stability & Rigidity
✅ Adjustable Panhard Bar with Brace – Maintains proper axle positioning
✅ All Necessary Mounting Hardware for a Complete Installation
Transform your classic truck’s ride and handling with QA1’s premium rear coilover conversion system!
Technical Specifications
| Feature | Details |
|---|---|
| Brand | QA1 |
| Manufacturer Part # | R120-250 |
| Product Type | Rear Coilover Conversion Kit |
| Drop Range | 4” to 7” |
| Rear Shock Type | Single Adjustable Coilover |
| Coilover Springs Included? | ✅ Yes |
| Spring Rate (lbs./in.) | 250 lbs./in. |
| Suspension Package Finish | Black Powdercoated |
| Panhard Bar Included? | ✅ Yes |
| Adjustable Panhard Bar? | ✅ Yes (On-Car Adjustable) |
| Lower Trailing Arms Included? | ✅ Yes (Adjustable) |
| Upper Trailing Arms Included? | ❌ No |
| Adjustable Torque Arm Included? | ✅ Yes |
| Torque Arm Crossmember Included? | ✅ Yes |
| Bushings Included? | ❌ No |
| Sway Bar Included? | ❌ No |
| Watts Link Included? | ❌ No |
| Brake Components Included? | ❌ No |
| Welding Required? | ❌ No |
| Quantity | Sold as a kit |
⚡ A must-have upgrade for F-100 owners looking to modernize their truck’s suspension for a sleek stance and superior ride quality!
Fitment & Compatibility
✔ Designed for 1965-72 Ford F-100 Trucks
✔ Direct Bolt-In for Factory Rear Suspension Replacement
✔ Works with OEM & Aftermarket Performance Suspension Components
✔ Perfect for Street, Pro-Touring, & Custom Truck Applications
Ideal for builders and enthusiasts seeking a modern coilover conversion with easy adjustability and superior handling!
Installation Notes & Tips
100% Bolt-On Installation – No Welding or Bed Removal Required
⚙️ Ensure Proper Suspension Alignment for Optimal Performance
Adjust Ride Height & Axle Positioning Before Final Tightening
Pair with QA1 Front Suspension for a Fully Balanced System
⚠️ Professional Installation Recommended for Best Results
❓ Frequently Asked Questions (FAQ)
What makes this coilover conversion better than leaf springs?
- The coilover system provides a smoother ride, more precise handling, and greater adjustability, whereas leaf springs offer limited tuning options and more axle wrap.
How adjustable is the drop on this kit?
- This kit allows for a 4” to 7” drop, making it perfect for custom stance setups while maintaining ride quality.
Can I install this kit without removing the truck bed?
- Yes! Unlike many other suspension conversions, this QA1 kit is bolt-in and does not require bed removal.
Does this kit work with my stock F-100 axle?
- Yes! The kit is designed to work with factory or aftermarket axles, making it a versatile choice for most builds.
Is this kit suitable for daily driving?
- Absolutely! The single adjustable coilovers allow for tunable ride comfort, making it great for both daily driving and performance applications.
Call to Action – Upgrade to Modern Coilover Suspension Today!
Enhance your F-100’s stance, ride quality, and handling with the QA1 Rear Coilover Conversion System!
✔ Bolt-In Installation – No Welding or Bed Removal Required
✔ 4” to 7” Adjustable Drop for a Custom Stance
✔ Single Adjustable Coilovers for Tunable Comfort & Control
✔ Ideal for Street, Pro-Touring, & Custom Builds
Order Now & Experience the Ultimate F-100 Suspension Upgrade!
Overview
Brand:
QA1
Manufacturer’s Part Number:
R120-250
Part Type:
Rear Suspension Packages
Product Line:
QA1 1965-72 F-100 Rear Coilover Conversion Systems
Summit Racing Part Number:
QA1-R120-250
UPC:
806990155917
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):
250 lbs./in.
Spring Finish:
Gray/Silver
Suspension Package Finish:
Black powdercoated
Bushings Included:
No
Sway Bar Included:
No
Watts Link Included:
No
Panhard Bar Included:
Yes
Adjustable Panhard Bar Included:
Yes
Adjustable Panhard Bar Type:
On car adjustable
Upper Trailing Arms Included:
No
Adjustable Upper Trailing Arms Included:
No
Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Included:
Yes
Adjustable Lower Trailing Arms Type:
On car adjustable
Trailing Arm Mount Braces Included:
Yes
Trailing Arm Hardware Included:
Yes
Rotors Included:
No
Calipers Included:
No
Quantity:
Sold as a kit.
