This GPM XRTDP shock absorber shaft core kit is made to toughen up Traxxas XRT 8S dampers for demanding off-road use. Using 4140 medium carbon steel with 7075 aluminium components, the shaft core is increased from 5.0mm to 7.0mm to better resist deformation. The unit is compatible with both GPM and original shock assemblies, making it a straightforward swap for improved suspension reliability.
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