Kyosho UMW726 Aluminum Differential Case Cup Upgrade for RB6 RT6 SC6  [KY-UMW726]

Precision upgrade from Kyosho

The Kyosho UMW726 Aluminum Gear Differential Case Cup is an important upgrade for RC hobbyists aiming to boost drivetrain longevity on RB6, RT6, and SC6 cars. Machined from quality aluminum, this case cup improves structural strength and helps dissipate heat under load.

Better strength and heat management

Replacing the stock plastic cup with the aluminum UMW726 brings greater toughness and more consistent thermal performance. The precise fit reduces slop in the differential assembly and cuts down on routine adjustments, letting you focus on setup and lap times.

Race ready and easier upkeep

Whether trimming for club races or doing routine service, the UMW726 fits multiple Kyosho models and simplifies maintenance. Its durable construction is suited to drivers who demand dependable parts that hold up run after run.