This is an optional Yokomo Aluminum Front Upper Arm Holder, compatible with the YD-2, YD-2 EX and YD-2 Plus. With this aluminum holder, the retention rigidity of the upper arm increases and the sensitivity of the suspension operation increases. Also, the it is an appearance which was subjected to bevel edge treatment on black aluminum, and it is particularly conspicuous part, so it has a great effect on improving looks.