The GPM MB013 rear gear box tower is an alloy upgrade built to increase the rear end toughness of your HPI Minizilla. It helps reduce flex under load and keeps the drivetrain aligned during demanding runs.
Manufactured from durable alloy, this tower is more impact resistant than the stock plastic part. The added stiffness delivers a more predictable rear grip and reduces midrun failures during aggressive driving.
All necessary screws are included for a straightforward installation, allowing a fast swap without hunting for extra hardware. The straightforward fit makes this a practical upgrade for both racers and casual hobbyists.
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