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QA1 1965-72 F-100 Rear Coilover Conversion Systems R120-250

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Parts & Accessories

QA1 1965-72 F-100 Rear Coilover Conversion Systems R120-250

SKU af242dab55eb

Car Chassis & Suspension Kits

$1,245.81

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No warranty

Commercial use may carry a shorter period than pleasure use.

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Freight — oversize — from $349. Ships in 1–3 business days, 3–10 business days in transit.

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Specification

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Part number
af242dab55eb
Department
Parts & Accessories
Category
Car Chassis & Suspension Kits

In the seller's words

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.

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