Engineered for the Tamiya F104 Ver.II and RM-01 chassis, the Tamiya 54478 Aluminum Roll Spring Holder is a quality upgrade to standard kit parts. Accurate spring positioning helps the roll damper operate more effectively while also reducing wear at pivot points.
Aluminum gives a solid, longer-lasting mounting solution without adding unnecessary weight, so handling remains responsive. That combination suits drivers who want reliable suspension behaviour across sessions.
The Tamiya 54478 fits F104 Ver.II and RM-01 chassis and ships as a pair of holders. Fitment is simple, making this an easy upgrade for experienced tuners and hobbyists alike.
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