OVERVIEWUpgrade the drivetrain of your Arrma 1/10 Granite 4X4 3S BLX by replacing the OEM plastic components with our new Billet Machined Fixed Motor Mount Gear Cover. The set features all alloy construction with three fixed motor positions, and replaces Arrma OEM part #AR310874. The Billet Machined Fixed Motor Mount Gear Cover is available in six colors.