This aftermarket pack provides the internal parts intended to sit inside the shock body on HPI Savage 21 models. The focus is on the internal insert and valving hardware rather than external caps, springs or reservoirs.
Use the parts to refresh a tired damper assembly so shocks can be rebuilt and tuned. Typical uses include swapping worn inserts, replacing valving components, or setting up the shock for a different oil grade as part of a tune routine.
Servicing requires partial disassembly of the shock to reach the internals; clean work area and careful reassembly reduce the risk of leaks and help retain the intended damping characteristics. The product is supplied as a single aftermarket set for Savage 21 shock maintenance and tuning.
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