Tamiya 84174 Precision 5mm Disc Springs for Ball Differentials  [84174]

Tamiya 84174 - RC 5mm Disc Spring - 5pcs
Price:
CAD$4.47
Brand:
Tamiya
Model:
84174
GTIN:
4950344841745
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Tamiya 5mm Disc Springs for Sharper Differential Control

If you want crisper tuning and longer service life for your RC car differentials, Tamiya 5mm disc springs are a practical upgrade. These springs are built to pair with ball differential systems such as the F104 Aluminum Diff Housing Set, TT-01 Ball Differential Set, and Manta Ray Ball Differential Set, giving racers and hobbyists reliable preload adjustment and consistent feel.

Fitment and How They Operate

The Tamiya 84174 disc springs are manufactured to match the geometry of specific Tamiya ball diffs. They fit the following assemblies:

  • F104 Aluminum Diff Housing Set
  • TT-01 Ball Differential Set
  • Manta Ray Ball Differential Set

By holding steady pressure on the differential stack, these disc springs reduce variations in gear engagement, helping the car turn more predictably and extending component life during hard use.

Will these springs fit other Tamiya differentials?

They are optimised for the F104, TT-01 and Manta Ray diff sets listed. Some other Tamiya or aftermarket diffs may accept them, but you should confirm stack height and seating before assuming fitment.

How do disc springs change the diff feel?

Disc springs add consistent preload to the differential, which smooths engagement and helps the car maintain traction through corners. Changes are subtle but noticeable when dialing handling.

Any tips for installing them correctly?

Compress them into the diff stack evenly, avoid over-tightening the diff case, and check that the gears rotate freely with the chosen preload. Use the correct shims or washers if required for spacing.

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