HPI Savage 21 Front/Rear Arm Lock Plate Alloy-7075 by GPM SAV1052H  [SAV1052H]

Arm lock plate overview

This alloy lock plate is produced for HPI Savage 21 to fasten the front and rear suspension arm pivots. The component is described as an Alloy-7075 part that replaces the standard arm lock plate configuration and is intended for RC-scale use only.

The part mounts to the existing arm pivot points using the stock hardware locations. When fitting, confirm alignment of the pivot pin and torque the mounting screws to avoid over-stressing threads. The plate is supplied as a set covering both front and rear positions as shown in the product title.

From a tuning perspective, a metal lock plate reduces flex at the arm pivot compared with thin plastic plates. This can yield a more consistent suspension geometry under load, which is useful when adjusting ride height, camber link positions, or shock mounting points on Savage 21 setups.

Use standard RC hand tools for installation and verify clearance with adjacent steer and suspension parts before full operation; inspect mounting hardware periodically for proper tightness.