Fit these GPM steel shafts to the Sav13170 damper to toughen up your HPI Savage 21 shocks. The shafts are intended to handle repeated impacts and rough runs while keeping damper action predictable. For backyard bashing or weekend events, this simple upgrade reduces replacement frequency and keeps your suspension working reliably.
HPI Savage 21 Steel Shaft For Sav13170 Damper - 1pr - GPM SAV13170/SH
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