Tamiya TB04 CNC Aluminium Front Arm Bulk TB4008 by GPM  [TB4008]

Precision aluminium front arm bulk for TB04 tuning

This CNC-machined aluminium front arm bulk is an aftermarket upgrade manufactured to interface with the Tamiya TB04 platform. It replaces the OEM plastic front bulkhead to deliver a more rigid mounting point for steering linkages and front suspension components on TB04-based models.

The part is engineered to stabilise tuning inputs without changing the TB04 suspension geometry. Converting from plastic to aluminium reduces elastic deformation under load, improving steering repeatability and consistency when adjusting camber or caster through the front arm mounts. The component locates to the standard TB04 front mounting positions and is compatible with the chassis original hardware attachment points.

Installation is a direct front-end replacement; inspect mating surfaces and confirm clearances with other hop-ups before final assembly. This product is intended for RC model applications and controlled testing on TB04 vehicles, not for full-size vehicle use.