This is an RC-scale rear shock shaft intended for the 2WD racing truck YZ-2T. The set includes two pcs sized for X33 shock assemblies and specifies a 3.3mm shaft diameter. The component is a direct replacement item to address worn or bent shock pistons in the rear suspension of compatible YZ-2T-series trucks.
The part's role is straightforward: restore straightness and smooth piston travel inside X33 shocks, keeping damping predictable during setup changes. Because the shaft diameter is 3.3mm, it matches shocks that use X33 specification internals and should be inspected alongside shock pistons and bushes when servicing the rear suspension.
Installation is a basic shock-service task: disassemble the rear X33 shocks, remove the old shaft, and fit the replacement shaft before reassembling with fresh shock oil and seals as required. Verify shaft alignment and free travel before returning the truck to the track, and check for play after a short test run.
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