If you run a TB-04 touring chassis and want a tidy performance upgrade, the Tamiya 54520 Aluminum Motor Adapter OP.1520 swaps in for the factory T5 and T7 pieces to provide a firmer motor sit and enhanced heat conduction. It is a compact change that helps steady the motor under load.
Aluminium construction gives a more positive motor clamp and also serves to dissipate heat away from the motor housing. That heat-spreading quality reduces thermal stress on the motor during longer track sessions and supports consistent performance on TB-04 and TB-04 PRO cars.
Built for the TB-04 family, the adapter is compatible with both standard and PRO variants of the chassis. The part is designed for easy replacement of the T5 and T7 components so installation is quick and straightforward.
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