QA1 Rear Coilover Conversion Kit - Single Adjustable, Soft Ride, 170 lbs/in Rate - 1975-1986 Chevrolet C10, GM 12 Bolt E250 One-way adjustable rebound and compression

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Part Number I-68-BR Part Name BR Series Coilovers Vehicle 2015-2020 BMW M4 (F82) Drivetrain RWD Chassis Code F82 Damping Adjustment 1-Way (30 levels) Ride-Height Adjustable Yes Spring Rate - Front 6 kg/mm Spring Rate - Rear 12 kg/mm Spring Size - Front 62-160-6K Spring Size - Rear 62-200-12K Swift Springs - Front 62-152-X Swift Springs - Rear 62-203-X Camber Plates - Front Included Camber Plates - Rear Not Applicable Suspension Design - Front True Coilover Suspension Design - Rear Divorced Notes M4 models built after Jan 2015 use a 5-Bolt Top Mount

QA1 Rear Coilover Conversion Kit - Single Adjustable, Soft Ride, 170 lbs/in Rate - 1975-1986 Chevrolet C10, GM 12 Bolt E250 One-way adjustable rebound and compressionWith this all new, engineered from scratch rear system, 1975 1986 Chevrolet C10 owners can add modern performance to a pickup that was designed for utility all without removing the bed of the truck. QA1 engineered a unique bolt in torque arm design that maximizes performance without the inherent binding issues of other 4 link systems. This provides superior control over suspension movement, resulting in a smooth ride and great handling