Tamiya 9007664 Precision TRF421 Diff Pulley & Case  [9007664]

Price:
£0.00
Brand:
Tamiya
Model:
9007664
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Precision Drivetrain Upgrade for TRF421: Tamiya 9007664

The Tamiya 9007664 Diff Pulley & Case is crafted for accurate alignment and dependable operation on the TRF421 chassis. It supports refined tuning and consistent lap to lap performance.

Accurate Fit for Predictable Handling

This Tamiya 9007664 assembly improves gear engagement and reduces unwanted play, helping drivers dial in steering and corner exit response with confidence.

Serviceable Design for Regular Maintenance

The diff pulley and case is designed for straightforward servicing so you can check bearings, gears and oil without fuss. Regular inspection keeps drivetrain behaviour stable over time.

Do I need to change diff oil after fitting?

It is sensible to refill or replace diff oil when installing the new pulley and case to ensure the diff operates as intended and to remove any assembly residue.

Are special bearings required?

Standard TRF421 bearing sizes are compatible, but inspect bearings for wear and consider fresh high quality bearings for best drivetrain smoothness.

How should I check gear mesh?

Set a slight clearance that avoids binding, rotate the diff while observing mesh under light, and use shims or adjusters to achieve a clean contact pattern across the teeth.

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