The 3Racing SAK-A583 Aluminum Transmission Ball Bearing Housing Kit is made for the Sakura Advance 21 chassis. This milled aluminum housing replaces the factory plastic part to deliver tougher construction and quieter, smoother gear engagement under racing loads.
Aluminum parts give a good strength to weight balance, resisting wear while keeping overall mass low. Installing the SAK-A583 helps stabilise drivetrain geometry and can reduce service intervals compared with the stock housing.
Engineered to match the Sakura Advance 21 mounting points, the kit installs with standard hand tools and bolts into existing locations for a clean, reliable upgrade.
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