What is the benefit of adjustable trailing arms?

Adjustable trailing arms allow you to fine-tune your vehicle's wheelbase and pinion angle. This is important for optimizing suspension geometry, especially after lowering a vehicle or making other performance modifications, to improve handling and launch characteristics.

What kind of bushings are included with these trailing arms?

These trailing arms come equipped with graphite/polyurethane bushings. This combination aims to provide a durable solution that offers a good balance between road feel and vibration isolation.

Do these trailing arms require special tools for installation?

These are designed as direct, bolt-in replacements. While standard hand tools are typically sufficient, it's always recommended to refer to the manufacturer's installation instructions for any specific tool requirements or procedures.

QA1 Upper Adjustable Trailing Arms

Name: QA1 78-88 GM G-Body/73-77 A-Body Upper Adjustable Trailing Arms
Brand: QA1
SKU: qa1-qa1-78-88-gm-g-body-73-77-a-body-upper-adjustable-trailing-arms-t14-449744
Price: 406.75 USD
Availability: InStock

QA1 78-88 GM G-Body/73-77 A-Body Upper Adjustable Trailing Arms

$406.75

Only 3 left in stock

QA1 adjustable upper trailing arms for 78-88 GM G-bodies and 73-77 A-bodies. Easy bolt-in installation for wheelbase and pinion angle adjustment.

Key Features

Fits 1978-1988 GM G-bodies and 1973-1977 GM A-bodies.
Adjustable design allows for easy wheelbase and pinion angle tuning.
Includes graphite/polyurethane bushings for a balanced feel.
Designed for a direct, bolt-in installation.
Made in the USA.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

These upper adjustable trailing arms from QA1 are built with graphite/polyurethane bushings, offering a solid upgrade for your 1978-1988 GM G-body or 1973-1977 A-body vehicle. They are designed to allow for easy adjustment of your vehicle's wheelbase and pinion angle, which is crucial for getting your suspension dialed in after modifications or for fine-tuning handling characteristics.

Installation is straightforward, as these arms are made to be a direct, bolt-in replacement for your stock components, meaning no welding or cutting is required. The combination of graphite and polyurethane in the bushings helps to provide a good balance between road feel and vibration dampening, while also being durable for regular use. QA1 is known for making well-built suspension components, and these trailing arms are no exception, offering a practical way to improve your vehicle's rear suspension setup.

This set is designed to fit a wide range of popular GM vehicles, including models like the Chevrolet Monte Carlo, Buick Regal, and Oldsmobile Cutlass Supreme. Having adjustable trailing arms can make a notable difference in how your car launches and handles, especially if you're working with a lowered vehicle or making performance-oriented changes.