This replacement universal swing shaft set is produced in titanium for the HPI Savage 21 chassis. The pack is sold as a single pair and includes the drive adaptor, pins and washers needed to match the wide 5mm interface described in the product title.
Designed for straightforward installation, the shafts work with the Savage 21 differential and hub assemblies and aim to reuse existing retainers where the geometry allows. During fit-up, inspect pin seating and washer order to make sure the joint engages cleanly and runs without binding.
Ideal when replacing tired shafts or switching to the wide 5mm adaptor configuration; confirm clearance and fit before completing assembly.
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