Replace the stock plastic center gearbox with the GPM aluminum center gearbox for ARRMA KRATON 8S BLX Monster Truck to gain better gear stability and reduced slop. Machined from high tensile strength aluminum 6061 T6, the unit helps dissipate heat from the gearset and keeps bearings positioned to minimise endplay. The CNC-machined 3D streamline surface gives a neat metallic finish while the precision bearing seats support smoother rotation under load.
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