The 3Racing SAK-A583 Aluminum Transmission Ball Bearing Housing Kit fits the Sakura Advance 21 chassis. Machined aluminium construction replaces the OEM plastic housing to provide increased rigidity and more consistent power transfer during racing.
Aluminium units resist deformation and help keep gear alignment, which supports predictable handling. The SAK-A583 reduces flex at the transmission mount and can make setup adjustments more repeatable.
The kit matches factory mounting points for straightforward installation. Use common hand tools and check fastener torque after the first run.
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