Fit the GPM 4140 carbon steel center CVD driveshaft to your ARRMA OUTCAST 8S BLX Stunt Truck to increase drivetrain toughness for offroad stunts and competition. The 4140 medium carbon steel construction is chosen for its strength under repeated shock and torque. Front diameter is beefed up from 5mm to 6.5mm to stabilise torque delivery and cut down power loss through the drivetrain.
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