QA1 Non-Adjustable Upper Trailing Arm - 1964-1967 Chevrolet El Camino RZ450e Ride-Height Adjustable Yes Damping Adjustment

Ride-Height Adjustable Yes Damping Adjustment 2-Way Front Spring Rates Progressive Rear Spring Rates 12

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QA1 Non-Adjustable Upper Trailing Arm - 1964-1967 Chevrolet El Camino RZ450e Ride-Height Adjustable Yes Damping AdjustmentAll Upper Tubular and Lower Boxed Trailing Arms for the 1964 1967 Chevrolet El Camino 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