This is a machined aluminium universal drive shaft assembly intended for MR-4TC SD WCSP chassis use as an RC upgrade. The set substitutes plastic dogbone, axle and cross spider elements with metal components to minimise play and provide a reliable mechanical link between gearbox output and the wheels.
Installation notes: ensure correct seating on MR-4TC SD WCSP hubs and gearbox splines before final assembly, check engagement and endplay, and apply torque figures from your chassis documentation. After installing, run the drivetrain slowly to confirm free rotation and correct wheel alignment.
Tuning role: replacing flexible plastic driveline parts with aluminium reduces slop and can improve throttle precision and exit consistency in touring car setups; note that wear patterns may change so inspect adjacent bearings and pins frequently.
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