QA1 73-77 GM A-Body Lower Boxed Trailing Arms

QA1 is known for making well-built suspension and driveline components for performance vehicles. These lower boxed trailing arms are a prime example, designed specifically for 1973-1977 GM A-body cars. If you're working on a classic like a Chevrolet Chevelle, El Camino, or Pontiac LeMans, these arms can help you dial in your rear suspension geometry for improved handling and traction.

These aren't just standard replacement arms; they're built with .12-inch wall thickness for solid strength and feature greasable bushings, which makes maintenance easier down the road. The boxed design adds rigidity, and the adjustable nature of these arms allows for precise control over your vehicle's wheelbase and pinion angle. This means you can fine-tune how your car launches and handles, especially if you've made other modifications to the drivetrain or suspension. Plus, they're designed as a direct fit, making installation a straightforward bolt-in process without needing specialized tools or welding.

When you're looking to improve the performance and adjustability of your classic GM A-body's rear suspension, these QA1 trailing arms are a solid option. They offer a good balance of strength, adjustability, and ease of installation, all made in the USA.