This aluminium upper spring perch is made as an aftermarket replacement for HPI Savage 21 shock assemblies, sold as 1pr under part SAV13170/USP. It replaces the upper spring seating and is intended for tuning and routine shock maintenance.
The stronger aluminium construction provides a firmer mounting point than softer materials, keeping the spring seated squarely during setup changes and track use. Choose this perch where improved longevity and repeatable spring position are desired.
Fitment is straightforward for RC hobbyists: check the perch against your Savage 21 shock cap dimensions before installation and use basic hand tools to swap the component. This part is supplied for suspension tuning and repair tasks only.
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