Replace the stock centre shaft on your ARRMA OUTCAST 8S BLX Stunt Truck with the GPM 4140 carbon steel centre CVD driveshaft to improve reliability under high loads. The 4140 medium carbon steel gives increased resistance to wear and overload, while the front shaft diameter increase from 5mm to 6.5mm improves power stability and reduces drivetrain loss during aggressive manoeuvres.
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