QA1 Upper Trailing Arms (64-67 442, Cutlass, F85, Vista Cruiser)Find parts that fit my vehicle

High-Performance Suspension Upgrade. The QA1 Upper Trailing Arms enhance rear suspension performance by enabling precise pinion angle adjustment, which is crucial for lowered GM A-body vehicles. This adjustment reduces drivetrain wear and suspension bind, resulting in smoother ride quality and improved traction for classic cars.

Construction and Appearance. Crafted from high-strength tubular steel and featuring an aluminum hex for straightforward adjustment, these trailing arms replace the original rear differential bushings with high-quality polyurethane components, providing improved stability and responsiveness.

Installation. Designed as a direct bolt-in replacement, installation is simple and requires no drilling or extensive modifications, making it suitable for both professional mechanics and enthusiasts.

Application. Specifically engineered for 1964-1967 GM A-body models including 442, Cutlass, F85, and Vista Cruiser.

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