Tamiya 9007664 TRF421 Diff Pulley & Case Upgrade Kit  [9007664]

Price:
CAD$0.00
Brand:
Tamiya
Model:
9007664
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Upgrade Your TRF421 Drive with Tamiya 9007664 Diff Pulley & Case

The Tamiya 9007664 Diff Pulley & Case brings precision machining and increased durability to the TRF421 chassis. It is built to provide smoother differential action and dependable service life for competitive tuning and regular use.

Precision Fitment for TRF421 Chassis

This Tamiya 9007664 component is made to integrate with the TRF421 layout, improving handling consistency and drivetrain response. Its robust construction helps maintain gear alignment under load, ideal for precise setup work.

Designed for Tuning and Routine Servicing

Whether adjusting gear mesh or performing scheduled maintenance, the diff pulley and case offers predictable behavior and resilience. Keep this part in your toolbox to support repeatable setups and track sessions.

The 9007664 is purpose made for the TRF421. Some older or different TRF variants may require modifications or shims to achieve correct fitment.
You can expect smoother diff action and more consistent traction delivery, which helps cornering stability and predictable handling during tuning sessions.
Check gear mesh and bearing preload, clean mating surfaces, and use light thread locker where recommended. Verify diff rotation freeplay after assembly before test runs.

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