This aftermarket connector pairs with a 1.4mm wire damper spring cut to a 113mm free length, intended for HPI Savage 21 shock maintenance and straightforward tuning tasks. The assembly links shock components and supplies a spring element for direct replacement.
Fitting is aimed at hobbyists who perform routine Savage 21 maintenance: the connector replaces the linkage interface while the spring swaps into compatible shock bodies. Before final assembly confirm rod diameter, retainer fit, and verify travel and preload to maintain correct suspension operation.
From a tuning perspective the part alters damping response via spring stiffness and stack length adjustments. It is suitable for changing ride height, refining rebound, or replacing aged spring hardware on both casual and track-focused Savage 21 builds.
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