This replacement connector is supplied with a 1.4mm wire damper spring sized to a 113mm free length, intended for HPI Savage 21 shock maintenance and basic tuning. The assembly links shock components and provides a defined spring element for direct swap-in use or routine hardware replacement.
Fitting is straightforward for users familiar with Savage 21 shock servicing: the connector takes the place of the shock linkage interface and the spring installs into compatible shock bodies. Always check the shock rod diameter and spring retainer before final fitment, then confirm travel and preload to maintain expected suspension behaviour.
In practical tuning this item changes damping response by altering spring stiffness and stack length. It is most useful when adjusting ride height, fine-tuning rebound, or replacing worn spring hardware on race or backyard Savage 21 setups.
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