This 3Racing HSA-021 aluminum fuel tank protection case is designed for use on HPI Savage 21, Savage 25 and Savage X nitro RC trucks. The part provides a rigid, CNC-style aluminum barrier around the fuel tank area to reduce impact damage from debris and collisions typical in on-track and off-road driving.
Compatibility is limited to the listed Savage variants; the case is an RC-scale accessory intended to integrate with the model’s fuel tank zone. The design focuses on protection and chassis durability without altering the fuel system itself.
Installation is straightforward for hobbyists familiar with chassis maintenance: the case aligns with the Savage fuel tank area and secures using the vehicle’s existing mounting points and hardware. Allow time to verify alignment before final tightening and inspect for any interference with the exhaust or throttle linkages.
Adding an aluminum protection case changes the local mass and stiffness around the tank, so expect a small change in weight distribution. After fitting, check ride height and suspension damping and make minor tuning adjustments if needed to retain handling balance during aggressive driving.
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