QA1 52857 Rear Sway Bar 1-1/4in Chromoly Big Wheel GM A-Body

The QA1 52857 is a performance rear sway bar engineered for 1968–1977 GM A-Body vehicles equipped with big wheels. QA1's lightweight tubular sway bars are designed to reduce body roll by more evenly distributing vehicle weight across all four tire contact patches during cornering, delivering a more predictable and stable driving experience.

Key Features:

• 1-1/4" Hollow 4130 Chromoly Steel Construction — delivers superior torsional stiffness and strength without adding unnecessary weight
• CNC-Bent Tubing with machined and welded bar ends for precision fit and long-term durability
• Durable Powder-Coat Finish for a premium appearance and corrosion resistance
• Compact, Application-Specific Design engineered to optimize underbody space and maintain ground clearance
• Includes Plated Mounting Hardware to replace worn bushings and end links where applicable
• Installs Using Factory Sway Bar Mounting Locations for a straightforward, streamlined installation
• Made in the USA — proudly manufactured in Lakeville, Minnesota

QA1 engineers each sway bar specifically for the target vehicle application, carefully tuning the diameter and tubing wall thickness to achieve the ideal torsional stiffness for superior handling and control. In some cases, simple welding steps may be required during installation; QA1 provides detailed step-by-step instructions and expert technical support for all skill levels.

Backed by a 1-year warranty against product defects, the QA1 52857 is a proven upgrade for any performance build or street driver looking to improve cornering grip and reduce body roll.