Rear Anti-Roll Bar

Reduce unwanted body roll and improved 60-foot times with QA1 rear anti-roll bars. Manufactured from 1-1/4" diameter lightweight 4130 chromoly steel with a gloss black powder coat finish for maximum strength, endurance, and corrosion resistance. QA1 anti-roll bars are precision CNC-formed for a true bolt-on installation featuring adjustable end links to customize roll stiffness to your personal specifications. These sway bars include greaseable polyurethane bushings, along with high-quality zinc plated hardware. Engineered and road-tested to give your ride the grip that it needs to hold the road.

Additional Information

1978-1988 G-Body Anti-Roll Bar Kit, 1-1/4" diameter, 4130 chromoly, powdercoated, axle mount

Part Type

Suspension Stabilizer Bar Kit

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	qapBW02-GMG1	QA1 78-88 GM G-Body Level 2 Big Wheel Kit (1x qap5247, 1x qap5250, 1x qap52565, 1x qap52764, 1x qap5285, 2x qap7888-109, 1x qapGD507-10450C, 2x qapT115W, 1x qapRCK52367, 1x qap52854, 1x qap52853, 1x qap5234)
	qapBW03-GMG1	QA1 78-88 GM G-Body Level 3 Big Wheel Kit (1x qap5247, 1x qap5250, 1x qap52565, 1x qap52764, 1x qap5285, 2x qap9039-308, 1x qapMG507-10450C, 1x qapT121W, 1x qapRCK52451, 1x qap52854, 1x qap52853, 1x qap5234)

• Durable black powder coat finish
• Easy installation
• Made in the USA
• Reduce body roll & improve handling

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Product Details

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

Sway Bar, Rear, 4130 Chromoly, Black Powdercoated, 1 1/4 in. Diameter, Buick, Chevy, GMC, Pontiac, Kit

QA1 sway bars afford improved handling and control by reducing body roll. They're manufactured from lightweight 4130 chromoly steel and 1045 cold-formed steel—with a gloss black powdercoat finish for maximum strength, endurance, and corrosion resistance. The QA1 sway bars are precision CNC-formed, ensuring proper mounting in the stock location for a true bolt-on installation. They also feature adjustable end links to customize roll stiffness to your personal specifications. These sway bars from QA1 include greaseable graphite polyurethane bushings, along with high-quality zinc plated hardware. Engineered and road-tested to give your ride the grip that it needs to hold the road, QA1 sway bars are available for fitment on many vehicle applications. Order them individually for the front or rear—or in a complete kit.