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QA1 lower tubular trailing arms free up rear suspension movement on full-size GM B-Body cars for better traction.
This pair of QA1 lower tubular trailing arms replaces the factory rear trailing arms on full-size Chevrolet B-Body cars. Polyurethane differential bushings replace the soft factory rubber, and a spherical rod-end assembly with UHMW polyethylene bushings on the chassis end eliminates bushing bind for smoother, more controllable rear suspension travel. QA1 part number 5294 is manufactured to meet or exceed OE specifications.
Key Features
- Tubular construction reduces unsprung weight versus factory stamped arms
- Polyurethane differential bushings replace soft factory rubber bushings
- Spherical rod-end with UHMW polyethylene bushings eliminates chassis-end bushing bind
- Compatible with QA1 52826 rear sway bar
- Sold in pairs
- QA1 part 5294 ships ready to install with no additional machining required
- Part 5294 is manufactured under QA1's quality control standards in the USA
- Reference part 5294 when ordering matching components or replacement hardware
- QA1 5294 is backed by the manufacturer's standard warranty
- Part 5294 uses QA1's standard finish and corrosion protection process
Fitment
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 1965-1970 | Chevrolet | Biscayne Base | - |
| 1965-1970 | Chevrolet | Impala Base | - |
| 1965-1967 | Chevrolet | Impala SS | - |
Specifications
| Detail | Value |
|---|---|
| MPN | 5294 |
| Position | Lower |
| Bushing Material | Polyurethane and UHMW Polyethylene |
| Sold As | Pair |
| Sway Bar Compatibility | QA1 52826 |
What's Included
- 2 lower trailing arms
- Mounting hardware
About QA1
QA1 has manufactured precision suspension and chassis components in the United States since 1969, supplying racers and performance enthusiasts with rebuildable ball joints, control arms, sway bars, trailing arms, and chassis stiffening products engineered for consistent handling under load.
Related Parts
- QA1 79-04 Ford Mustang/79-86 Mercury Capri Lower Boxed Trailing Arms
- QA1 70-81 GM F-Body/73-77 A-Body/75-79 X-Body/78-96 B-Body Pro-Touring Upper Control Arm Kit - Front
- QA1 79-04 Ford Mustang Upper Adjustable Trailing Arms
- QA1 68-72 GM A-Body Trailing Arms Upper Non-Adjustable Tubular Trailing Arms
FAQ
Will this fit my vehicle exactly as listedCheck the fitment table above for the exact years, make, and model this part covers. Chassis and suspension parts often differ by body style within the same model line, so confirm your specific submodel and factory suspension type before ordering.
What is included in the boxThis listing includes the component shown in the title. Mounting hardware is included only when stated in the specifications table above. Some installations require separate spring adapters or companion parts noted in the specifications.
Do I need any special tools to install thisStandard hand tools, a floor jack, and jack stands cover most installations. A spring compressor and ball joint separator are recommended for control arm and ball joint work, and a torque wrench is required to bring fasteners to spec.
Is this a direct bolt-on replacementYes, this part is engineered to bolt into the factory mounting locations on the listed applications. No cutting, drilling, or welding is required unless specifically noted.
Can I install this myself or do I need a professionalMost owners with intermediate mechanical skills and a lift or jack stands can complete this installation using common tools. If you are not experienced with suspension or chassis work, a certified shop is recommended.
Does this work with my stock suspension componentsCompatibility with factory or aftermarket springs, shocks, and companion parts depends on the specific kit. Review the specifications table above for any required companion parts before ordering.
Does this come with a warrantyThis part is covered by the manufacturer's standard warranty against defects in materials and workmanship. Retain your receipt as proof of purchase.
Will this affect my vehicle's ride height or alignmentChassis and suspension components can change ride height, caster, or camber depending on design. Have your alignment checked after installation to keep tire wear and handling within spec.
Installation Instructions
- Chock the front tires and raise the rear of the vehicle on jack stands
- Support the rear axle with a jack or additional stands
- Remove the factory lower trailing arm mounting bolts at the frame and axle
- Remove the factory trailing arm from the vehicle
- Install the QA1 lower trailing arm with the grease fitting facing down
- Torque the frame and axle connections to the specification in the install sheet
- Repeat on the opposite side and grease all zerk fittings
- Check pinion angle and ride height before the first drive
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