The Tamiya 53903 Carbon Lower Deck is crafted from 3.0mm carbon fibre to provide a stiffer, lighter base for F103GT chassis builds. It reduces weight by approximately 2.3g compared to the original FRP plate, offering a firmer foundation for tuned setups.
Although intended for the F103GT, this deck can be adapted to F103, F103L and F103LM chassis converted to GT specification. The stiffer, lighter plate helps deliver steadier high-speed lines and more predictable cornering behaviour.
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