Track Tough Tamiya 3404157 - TRF421 Upper Deck A Hop-Up Part  [3404157]

Price:
AUD$0.00
Brand:
Tamiya
Model:
3404157
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Upgrade Chassis Rigidity with the Tamiya Upper Deck A

The Tamiya #3404157 Upper Deck A is a purpose-built upgrade for the TRF421 chassis, crafted to increase frame stiffness and enhance durability. It helps stabilise the car under load and gives drivers clearer feedback through the steering during track sessions.

Consistent Handling Under Load

Fitted to the TRF421 platform, this upper deck reduces flex so the suspension and tyres can work more predictably. The extra rigidity benefits mid-corner stability and improves the car's behavior during quick direction changes.

Useful for Club and Pro Racers

Whether refining a club car or preparing a race rig, the Upper Deck A supports improved weight distribution and steadier traction, making it a solid upgrade for serious TRF421 setups.

No cutting is usually needed; the deck is designed to bolt into the TRF421 mounting points as a direct replacement or upgrade.
By improving chassis consistency, tyre contact becomes steadier which can help produce more even wear in many conditions.
Yes, the deck maintains the TRF421 electronics and component layout, so typical installations do not require relocating parts.
After fitting, verify all screws are torqued and perform a quick alignment check to ensure no binding in steering or suspension travel.
Yes, it is suited for both practice and competition, helping maintain consistent handling across sessions.

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