These replacement shock shafts suit ARRMA Mini Kraton 3S models and are manufactured from 4140 carbon steel. Diameter is matched to the factory shafts so piston fit and stroke remain consistent with OEM shocks.
Design notes: the shafts replace traditional C-clip retention with an integrated clipless profile to reduce retention failures while keeping compression travel unchanged. They are designed to be fitted into original ARRMA shock assemblies; they are not intended for use in GPM shock assemblies.
Tuning impact: because the shaft diameter and stroke mirror the original parts, damping characteristics stay predictable. That makes these shafts a straightforward swap when you are experimenting with spring rates or shock oil viscosity to tune handling on different surfaces.
Contents and references: set includes shock shaft - 4 pcs. Original part numbers referenced by the supplier are ARA-2670, ARA-2671, ARA-2762.
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