Yokomo BD-S4 22.5mm Low-Friction Shock Cylinder BD7 BD5  [BD-S4]

Yokomo BD-S4 Shock Silinder (22.5mm) for BD7/BD5
Price:
NZD$17.38
Brand:
Yokomo
Model:
BD-S4
GTIN:
3888
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Or you may find similar product under the
Spares / Hop-ups - Yokomo - BD7 category
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Fine-Tune Your BD7 or BD5 with the Yokomo BD-S4

The Yokomo BD-S4 brings a larger internal capacity than prior designs to help BD7 and BD5 cars maintain consistent damper behaviour under load. The fluorine coating lowers friction at the piston interface, giving smoother travel and more reliable feedback through corners.

Why Choose the Yokomo BD-S4 Shock Cylinder

  • Improved Track Stability: Greater internal capacity helps reduce sensitivity to rapid inputs at speed.
  • Fluorine Coating: Cuts internal drag so the suspension reacts more predictably.
  • Designed for BD7 and BD5: Tailored to fit BD7 and BD5 shock systems without modification.
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Can I use this cylinder on a modified chassis?

The BD-S4 is intended for BD7 and BD5 shocks. If your modded chassis retains the same shock mounting and dimensions it can work, but always confirm fitment before fitting.

Does the coating need special care?

The fluorine surface is durable, but routine cleaning and fresh oil during service keep the coating working as intended and prevent debris build up.

What should I check when installing these cylinders?

Verify piston alignment, seal condition and oil level when assembling. Correct assembly ensures the reduced friction translates to consistent damping.

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