The Tamiya 3451519 centre shaft is built to reduce play in the TRF421 driveline, giving a firmer connection between motor and wheels. That means cleaner throttle inputs and better control when pushing hard.
Tailored for the TRF421, this centre shaft uses sturdy manufacturing to resist the shocks of aggressive running. Its tighter tolerance reduces drivetrain lash and helps the car feel more planted.
Drop-in compatibility with TRF421 setups makes this shaft a practical choice when preparing for race day, letting you focus on tyres, gearing and suspension tweaks.
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