QA1 Non-Adjustable Upper Trailing Arm - 1965-1967 Buick Gran Sport M135i BC Racing ZX Series Coilovers

BC Racing ZX Series Coilovers for the 2015-2021 Subaru Impreza WRX (VA2) bring the same three-axis adjustability as the race-spec ZR Series with valving tuned for drivers who split time between street and track

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Part Number F-20-ZR Part Name ZR Series Coilovers Vehicle 2022+ Toyota GR86 Drivetrain RWD Chassis Code ZN8 Damping Adjustment 3-Way (30 levels rebound/15 LSC/12 HSC) Ride-Height Adjustable Yes Spring Rate - Front 8 kg/mm Spring Rate - Rear 8 kg/mm Spring Size - Front 62-140-8K Spring Size - Rear 62-160-8K Swift Springs - Front 62-140-X Swift Springs - Rear 62-152-X Camber Plates - Front Included Camber Plates - Rear Not Applicable Suspension Design - Front True Coilover Suspension Design - Rear True Coilover Notes Inverted Front

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QA1 Non-Adjustable Upper Trailing Arm - 1965-1967 Buick Gran Sport M135i BC Racing ZX Series CoiloversAll Upper Tubular and Lower Boxed Trailing Arms for the 1965 1967 Buick Gran Sport 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