QA1 Non-Adjustable Upper Trailing Arm - 1971-1972 GMC Sprint under-braces 2006 BMW 325Ci (E46)

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QA1 Non-Adjustable Upper Trailing Arm - 1971-1972 GMC Sprint under-braces 2006 BMW 325Ci (E46)All Upper Tubular and Lower Boxed Trailing Arms for the 1971 1972 GMC Sprint 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 lasting