This optional left-side front upper A-arm holder is manufactured for the YD-4 family and carries the model number Y4-302UHL from Yokomo. The part is CNC machined from aluminium, finished in black alumite, and includes chamfered edges to reduce tight contact points during assembly.
Situated at the upper A-arm mounting location, the holder increases mounting accuracy and stiffens the upper arm assembly, leading to improved steering precision and more repeatable suspension responses. The chamfered detail eases fitment and minimises interference when making linkage adjustments or replacing components.
Fit this holder when you are tuning for crisper steering and consistent roll behaviour, particularly on YD-4 based touring setups that require precise turn-in response.
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