This GPM replacement is an RC-scale graphite chassis plate designed for HPI Savage 21 models and supplied as a 1pr set with mounting screws. The 3mm graphite section is intended to serve as a direct-fit structural component that replaces the original chassis plate on Savage 21 platforms where applicable.
In practical terms the part functions as a rigid mounting surface for drivetrain and suspension components on the model, and its material choice affects chassis stiffness and tuning response. Installation is typically straightforward using the existing factory mounting points and supplied fasteners, taking care to align holes before tightening to avoid stress on threaded inserts.
Use this chassis plate when you need a like-for-like graphite replacement for Savage 21 models or when adjusting chassis stiffness during setup; follow standard RC assembly practice and avoid over-tightening screws to preserve threads and inserts.
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