Tamiya 50388 RD Differential Ball Plate Set - 1/10 Formula 1 and 2WD Upgrade [50388]

Tamiya 50388 - RD Differential Ball Plate Set SP-388

Price:

CAD$14.17

Brand:

Tamiya

Model:

50388

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R/C General - Differential

Improve Differential Smoothness on 1/10 Tamiya Racing Cars

The Tamiya 50388 RD Differential Ball Plate Set is built for 1/10 scale RC Formula 1 and two-wheel drive sport cars, including models like the FW-14 Williams Renault. The pack contains the parts needed to refresh a worn differential and keep rotation consistent for racing or club practice.

Included Parts for Reliable Diff Operation

This differential ball plate set contains the key parts required to keep a differential working as intended:

Ball Thrust Bearing: One 1150 size bearing to cut friction and support smooth spin.
Thrust Washers: Two pieces to help distribute pressure evenly.
Disk Springs: Two 5mm springs to hold tension and steady preload.
Differential Spacer: One aluminum spacer to ensure correct gear alignment.
Steel Balls: Eight 3mm balls for durable rolling contact under load.
Pressure Disk: Two disks to spread load across the assembly.

Will the 50388 set fit older Tamiya 1/10 2WD chassis?

Fit depends on the specific model and differential design. Check your chassis manual for compatible diff plate dimensions or compare parts with the FW-14 style assemblies before purchasing.

How should I inspect these parts after racing?

After a race, look for flattened or pitted steel balls, warped disks, and bearing play. Clean and re-lubricate, and replace any components that show wear to keep diff performance consistent.

Can I tune diff feel with the included disk springs?

Yes, the two 5mm disk springs set preload on the thrust assembly. Experiment with assembly order and spring placement to achieve the desired lockup and cornering response.