This 8-piece set provides steel king pin screws intended for the original HPI Savage 21 chassis and is sold as aftermarket service hardware. The fasteners are intended where king pins retain steering or suspension components, and they are suitable for routine maintenance or setup adjustments.
Fitting advice centres on verifying fit and engagement rather than listing exact measurements. Change out worn screws one at a time to preserve assembly geometry, check thread engagement and torque to avoid stripping, and inspect associated bushings and bearings before reusing them. As steel fasteners, pick the correct thread locking compound and set inspection intervals appropriate for rough-surface running.
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