Tamiya F103GT Graphite Rear Upper Deck Plate F103GT-21/SG by 3Racing  [F103GT-21/SG]

Tamiya F103GT SSG Graphite Rear Upper Deck Plate - 3RACING F103GT-21/SG
Price:
USD$13.90
Brand:
3Racing
Model:
F103GT-21/SG
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Technical summary

This graphite rear upper deck plate is manufactured for the Tamiya F103GT platform and carries the exact part number F103GT-21/SG. It is an aftermarket hop-up intended to change rear chassis torsional characteristics for fine tuning balance and handling in 1/10 GT competition settings.

The plate replaces the OEM rear upper deck and retains the original F103GT mounting points to ensure straightforward installation with standard hardware. Graphite provides a higher stiffness-to-weight ratio than typical plastic decks, reducing unwanted flex under lateral loads while keeping mass minimal for race applications.

Use this component as part of a systematic setup program: evaluate baseline handling, fit the deck, then quantify changes in rear traction and transient response to guide further suspension and tyre adjustments.

What chassis effect should I expect from a graphite rear deck?

A graphite rear deck typically raises rear torsional stiffness, which can stabilise mid-corner behaviour and alter weight transfer, often improving consistency at speed.

How should I measure handling changes after fitting?

Perform controlled test runs with consistent tyres and battery state, record lap times and driver feedback, and change one variable at a time to isolate the deck's effect.

Any recommended setup follow-ups after installing this deck?

Consider small adjustments to rear spring or damper settings, and check toe and anti-roll bar rates to rebalance the chassis following the increased rear stiffness.