QA1 Adjustable Upper Trailing Arms - 1969-1972 Pontiac Grand Prix Panda Transition from Dual to Single

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QA1 Adjustable Upper Trailing Arms - 1969-1972 Pontiac Grand Prix Panda Transition from Dual to SingleAll Upper Tubular and Lower Boxed Trailing Arms for the 1969 1972 Pontiac Grand Prix use polyurethane bushings on both ends, while upper adjustable and lower tubular Trailing Arms use a spherical ball or rod end assembly on the chassis end to eliminate bushing bind, allowing the suspension to move smoother for better control. This keeps the tires planted firmly on the ground for improved traction and a more predictable, better handling car. For a long