The Tamiya 49384 screw set is matched to the TRF 415MSX chassis and mixes titanium with blue anodised aluminium to lower component mass without compromising key strength areas. Aluminium fixings are allocated to non structural locations to retain nimble handling.
Titanium delivers high tensile strength where suspension and steering demand it, while aluminium helps drop weight on body mounts and trim. The combination improves responsiveness without sacrificing integrity.
During fitment reserve titanium screws for load bearing points and use aluminium in low stress spots. Always confirm screw length and thread compatibility, and recheck fastener tightness after track sessions.
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