QA1 Upper Adjustable Trailing Arms - Select 1968-1972 GM A-Body (Chevelle, GTO, Skylark) - 5248

Fits select 1968-1972 GM A-Body vehicles, including the Chevrolet Chevelle, Pontiac GTO, Oldsmobile Cutlass, and Buick Skylark. These QA1 Upper Adjustable Trailing Arms (MPN 5248) are engineered to solve rear suspension binding while allowing for precise tuning of your vehicle's pinion angle and wheelbase.

Unlike fixed factory arms, these heavy-duty adjustable units feature a spherical ball or rod end assembly on the chassis end equipped with UHMW polyethylene bushings. This design eliminates the binding common with standard rubber bushings, allowing the rear suspension to move freely for more predictable handling and improved traction. The arms are zinc plated and anodized for superior corrosion resistance and a long-lasting finish.

• On-Vehicle Adjustment: Easily adjust the pinion angle and wheelbase by loosening the jam nuts without removing the arms from the chassis.
• High-Performance Bushings: Replaces soft OE differential bushings with high-durometer polyurethane and uses UHMW polyethylene on the chassis end for smooth articulation.
• Durable Finish: Zinc plated and anodized construction protects against the elements and road debris.
• Bolt-In Installation: Designed as a direct-fit replacement for easy installation into factory mounting points.
• Made in the USA: Proudly manufactured in the United States.

• Manufacturer Part Number: 5248
• Position: Rear Upper
• Adjustment Type: Adjustable
• Finish: Zinc Plated / Anodized
• Bushing Material: Polyurethane and UHMW Polyethylene
• Quantity: Sold as a Pair