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Auto Parts & Accessories
QA1 1965-72 F-100 Rear Coilover Conversion Systems R120-200
$1,423.91
+ $185.00 flat-rate insured LTL freight
(details)
$1,608.91 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 1965-72 F-100 Rear Coilover Conversion System, Performance & Adjustability!
The QA1 1965-72 F-100 Rear Coilover Conversion System (R120-200) is engineered to provide unparalleled suspension performance, handling, and adjustability. This system delivers up to a 7-inch rear drop, optimizing your truck’s stance while enhancing ride quality and cornering ability.
No welding or cutting required, simply bolt it in for an immediate performance upgrade!
What’s Included in the Kit?
Single Adjustable Coilover ShocksFine-tune ride stiffness for street or performance use
High-Travel Springs (200 lbs./in. Spring Rate)Ensures a smooth ride while maintaining control
Adjustable Lower Trailing ArmsEnables precise rear axle positioning
Adjustable Panhard Bar & Panhard Bar BraceReduces lateral movement for increased stability
Adjustable Torque Arm & Torque Arm Axle MountEnsures proper drivetrain alignment
Torque Arm CrossmemberReinforces the chassis for enhanced rigidity
Complete Hardware KitAll nuts, bolts, and mounting components included
Everything you need for a premium rear suspension upgrade in one complete package!
Technical Specifications
| Feature | Details |
|---|---|
| Brand | QA1 |
| Manufacturer Part # | R120-200 |
| Product Type | Rear Suspension Package |
| Suspension Adjustability | 4 in. to 7 in. Drop |
| Rear Shock Type | Single Adjustable Coilover |
| Coilover Springs Included? | Yes |
| Spring Rate | 200 lbs./in. |
| Spring Finish | Gray/Silver |
| Suspension Finish | Black Powdercoated |
| Panhard Bar Included? | Yes (Adjustable) |
| Lower Trailing Arms Included? | Yes (Adjustable) |
| Upper Trailing Arms Included? | No |
| Trailing Arm Mount Braces Included? | Yes |
| Watts Link Included? | No |
| Rotors & Calipers Included? | No |
| Installation Type | Bolt-On, No Bed Removal Required |
| Quantity | Sold as a Kit |
Achieve the perfect stance and handling balance with this high-performance coilover conversion system!
Fitment & Compatibility
Designed for 1965-72 Ford F-100 Trucks
Works with Factory Rear Axle Setup
Compatible with Aftermarket Coilover Shocks
Ensure your vehicle meets the specific fitment requirements before purchasing!
Installation Notes & Tips
Direct Bolt-On, No cutting, no welding required
Includes all necessary mounting hardware
Adjustable components for fine-tuned ride height & handling
Professional alignment recommended after installation
Professional installation is recommended for optimal performance & safety!
Frequently Asked Questions (FAQ)
How much drop does this system provide?
- The system allows for adjustable rear ride height from 4 in. to 7 in. drop.
Does this kit work with my factory rear axle?
- Yes, it is designed to work with the stock 1965-72 Ford F-100 rear axle.
Can I use this kit with aftermarket rear brakes?
- Yes, the system is compatible with aftermarket brake upgrades, but brake components are not included.
Do I need to remove my truck bed to install this kit?
- No, the bolt-in design allows for easy installation without bed removal!
Will I need an alignment after installing this system?
- Yes, an alignment is strongly recommended to ensure proper rear axle positioning and tire wear.
Call to Action, Upgrade Your F-100 Today!
Give your classic Ford F-100 a modern suspension upgrade with QA1’s Rear Coilover Conversion System!
Easily Achieve a 4 in. to 7 in. Drop
Adjustable Coilovers for Street or Performance Driving
Bolt-On Installation, No Welding Required!
Perfect Balance of Comfort & Handling
Order Now & Take Your F-100 to the Next Level with QA1 Suspension!
Brand:
QA1
Manufacturer’s Part Number:
R120-200
Part Type:
Rear Suspension Packages
Product Line:
QA1 1965-72 F-100 Rear Coilover Conversion Systems
Summit Racing Part Number:
QA1-R120-200
UPC:
806990155900
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):
200 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.
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
