For modelers who want improved chassis feedback, the Kyosho OTW163 Carbon Fiber Upper Deck is a precision upgrade tailored to the Optima Mid family. It strengthens the top section of the chassis while maintaining a lightweight profile, useful for setup work and performance tuning.
The OTW163 is formed from premium carbon fiber that balances lightness with toughness. Installing this deck in place of the factory piece lowers overall weight and raises structural stiffness, helping the car hold its line more consistently.
Whether on rough surfaces or smoother tracks, the Kyosho OTW163 sharpens steering response and improves mid-corner composure. The upgrade makes it easier to dial in suspension and steering settings for both practice and race day.
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