Originally Posted by kavadni

The carbon fibre upper .. stiffens .. it reduces flex in the bathtub chassis, making all suspension adjustments more meaningful.

I have a question about the stiffener to anybody that has the tamiya part.

I recently got one second hand, without the aluminium spacers. Can somebody please tell me what thickness they are?

I have used 2.5mm, seems right. I would like to know what tamiya supply.

Thanks

kavandi