Arrowmax offers AM-MRX5-D0505 titanium nitride coated shock shafts tailored for the Mugen MRX5 to cut internal friction and slow shaft wear. This upgrade is aimed at drivers who need repeatable damping and less frequent shock servicing during race weekends.
The titanium nitride surface lowers abrasive contact and keeps piston motion smoother, reducing the rate of wear on both shaft and seal. The outcome is a more consistent damping curve and better predictability when tuning for lap time.
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