Ball Stud (Short neck type) of SPM (Super Precision Machine Cut) titanium series. The lightweight / high rigidity titanium has applied for high precision machine cut process to produce Φ4.3mm Ball Stud (Short neck type) which suits for very popular YD-2 series and other cars.
The movement of the joint is smoothed by high-precision ball processing, and a significant increase in exercise performance can be expected due to its light weight. The beautiful appearance is perfect for looking up the machine.