Js Racing - Rear lower arm pillow bush - Honda - Civic Type R FK8Specifications: Manufacturer: Js Racing Position: Rear Camber Adjustment Range: Rear lower arm pillow bushing. By making the rear lower arm bushing a pillow bushing, the arm movement that was previously restricted by the bushing is made more flexible, allowing the rear suspension to move more naturally. In addition, by restricting changes in alignment caused by the bushing's twisting, it contributes to a number of performance improvements, including