TRF421 A Parts Upper Arms, model spare parts

TRF421 A Parts Upper Arms are model spare parts made for the TRF421 platform, supplying the designated upper arm components for suspension maintenance and chassis rebuild work. The set focuses on one exact assembly group, which makes it easier to replace worn or damaged pieces while keeping the build aligned with the original parts layout. As A Parts, these components belong to a defined section of the TRF421 parts structure rather than a general hardware mix. That clear designation helps when sorting workshop stock, planning a rebuild, or selecting the correct replacement set after track use. Upper arms play a central role in the suspension layout by linking key mounting points and supporting the geometry that guides wheel movement through the chassis travel. Using the correct replacement group helps preserve the intended fit within that section of the model. This set suits bench maintenance, race preparation and post-run servicing when the chassis is stripped for inspection. It also fits well into a spares collection kept ready for fast turnaround between practice sessions, rebuilds and ongoing setup work on the TRF421.

 

Warning! Not suitable for children under 14 years.