QA1 Rear Suspension Conversion Systems for 1973-1979 F-100, 1975-1979 F-150 - R122-170 Coilover System, Single Adjustable, 170 lbs./in. Spring Rate, Ford, Kit
QA1 Rear Suspension Conversion Systems for 1973-1979 F-100, 1975-1979 F-150 - R122-170 Coilover System, Single Adjustable, 170 lbs./in. Spring Rate, Ford, Kit
A$7,673.83
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Description
Rear Suspension Kit - Bolt-On - Bushings / Crossmember / Lower Bars / Shocks / Springs / Hardware Included - Single Adjustable - 170 lb/in Spring Rate - Long Wheel Base - Ford Fullsize Truck 1973-79 - Kit
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 14:25:04
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Qa1 |
| StreetFX SKU | qapR122-170 |
| SFX Item ID | 4785718 |
| Accounting SKU | qap-R122-170 |
| Manufacturer SKU | R122-170 |
| Manufacturer UPC | 806990168948 |
| Alternative References | QA1-R122-170, QA1R122-170, R122-170 |
Rear Coilover Conversion System, Single Adjustable, 170 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 | R122-170 |
| Part Type | Rear Suspension Packages |
| Product Line | QA1 Rear Suspension Conversion Systems |
| UPC | 806990168948 |
| 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) | 170 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 | Yes |
| Adjustable Panhard Bar Included | Yes |
| Adjustable Panhard Bar Type | Single 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 | 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 | Fits long wheelbase applications. |
Compatibility
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