QA1 Rear Suspension Conversion Systems for 1973-1979 F-100 - R121-200 Coilover System, Single Adjustable, 200 lbs./in. Spring Rate, Ford, Kit
QA1 Rear Suspension Conversion Systems for 1973-1979 F-100 - R121-200 Coilover System, Single Adjustable, 200 lbs./in. Spring Rate, Ford, Kit
A$5,977.10
LOW STOCK! Est Ship 3-5 days.
In stock at 2 locations
(3 available)
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Description
Rear Suspension Kit - Bolt-On - Bushings / Crossmember / Lower Bars / Shocks / Springs / Hardware Included - Single Adjustable - 200 lb/in Spring Rate - Short Wheel Base - Ford Fullsize Truck 1973-79 - Kit
QA1 73-79 Ford F100 / 75-79 F150 SWB Rear Suspension Conversion System - Single Adj. 200lb/in
Additional Information
QA1 rear coil-over conversion kit for 73-79 F-100 short wheelbase trucks. Includes single adjustable shocks, 200 lb. high travel springs, and all hardware.
Part Type
Coilover Adjustable Spring Lowering Kit
Features
- Adjustable shock valving options for all driving styles
- Best-in-class warranty
- Easy bolt-in install
- Made in the USA
- QA1 uniquely engineered to enhance the performance of your vehicle
- Ride height adjustability
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Downloads
| # | Document Type | Download |
|---|---|---|
| 1. | Installation Instructions |
|
Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Qa1 |
| StreetFX SKU | qapR121-200 |
| SFX Item ID | 4785627 |
| Accounting SKU | qap-R121-200 |
| Manufacturer SKU | R121-200 |
| Manufacturer UPC | 806990168924 |
| Alternative References | QA1-R121-200, QA1R121-200, R121-200 |
Rear Coilover Conversion System, Single Adjustable, 200 lbs./in. Spring Rate, Ford, Kit
QA1 rear suspension conversion systems provide easy, bolt-in options to replace your coil springs on factory truck arms—without any cutting, welding, or other fabricating. Each kit contains frame brackets, axle brackets, linkage assemblies, a crossmember assembly, and necessary hardware. The conversions are available with coilovers or available for use with the factory springs. Order the model designed for fitment on your specific vehicle, and enjoy the stance, handling, and suspension performance of a revolutionary QA1 system.
| Product Attributes | |
|---|---|
| Brand | QA1 |
| Manufacturer's Part Number | R121-200 |
| Part Type | Rear Suspension Packages |
| Product Line | QA1 Rear Suspension Conversion Systems |
| UPC | 806990168924 |
| 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 twin-tube coilover |
| Coilover Springs Included | Yes |
| Coilover Spring Rate (lbs/in) | 200 lbs./in. |
| Spring Finish | Gray/Silver |
| Suspension Package Finish | Black powdercoated |
| Bushings Included | Yes |
| Bushing Material | Spherical bearing |
| Sway Bar Included | No |
| Watts Link Included | Yes |
| Panhard Bar Included | No |
| Adjustable Panhard Bar Included | No |
| 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 | Double adjustable |
| Trailing Arm Mount Braces Included | Yes |
| Trailing Arm Hardware Included | Yes |
| Rotors Included | No |
| Calipers Included | No |
| Quantity | Sold as a kit. |
| Notes | This kit only fits short wheelbase models. Designed for stock 9 in. axle with iron third member or a direct fit aftermarket 9 in. axle with an iron third member. Will not work with aluminum third members. |
Compatibility
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