This replacement alloy suspension chassis is an aftermarket lower plate designed for the HPI Savage 21 platform, supplied as a 1pr set with an extra titanium dog bone, screws and Delrin collars. The component suits hobbyists who need a tougher lower chassis to support modified suspension geometry and driveline linkage while staying compatible with the standard Savage 21 layout.
The 4.75mm alloy plate adds stiffness compared with typical stamped steel parts while keeping mass suitable for common off-road setups. The supplied titanium dog bone (1pcs) is included as a spare driveline pin and is packed with the fasteners and Delrin collars needed for mounting so installers can replace worn items or try alternate setups without sourcing small hardware separately.
Installation notes: this accessory is intended to replace or upgrade the factory lower chassis on Savage 21 models, it mates with existing suspension mounts and driveline components, and routine fitting requires common RC hand tools and verification of clearance for steering and suspension travel.
Choose this chassis plate when you want a stiffer lower deck and a spare titanium dog bone for Savage 21 maintenance or incremental tuning; confirm fit against your existing shocks and driveline before final assembly.
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