Js Racing - Rear Pillow Adjustable Upper Arm - Honda - Civic EK4Specifications: Manufacturer: Js Racing Position: Rear Camber Adjustment Range: "The basic setting for FF cars is rear camber adjustment" The rear upper arms feature turnbuckle adjustment with a pillow ball at the end , allowing for custom arm length and flexible rear camber adjustment. The use of 2017S aluminum also contributes to weight reduction, and the turnbuckle structure significantly improves alignment workability. *Strength report included.