The GPM MAKX187DP rear shock absorber shaft core kit strengthens ARRMA KRATON 8S shock shafts using 4140 carbon steel and aluminum 6061-T6. The larger 6.0mm shaft diameter lowers the risk of deformation under impact. Compatible with both GPM and original shock assemblies, the kit features an improved oil sealing arrangement to help prevent leaks and maintain smooth damping performance.
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