Yokomo S4-S3OS Precision O-Ring Set for Big Bore 13mm Shocks  [S4-S3OS]

Yokomo S4-S3OS O-Ring Set (2set) for SO/MO2.0 (Light Weight)
Price:
£2.72
Brand:
Yokomo
Model:
S4-S3OS
GTIN:
639342222032
Condition:
Brand New
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Improve Shock Smoothness with Yokomo S4-S3OS O-Rings

The Yokomo S4-S3OS O-Ring Set contains two bottles of specialist O-rings formulated for 13mm big bore shocks on the SO/MO2.0 chassis range. These rings minimise internal drag and enhance seal integrity so damping feels smoother and component wear is reduced.

Key Advantages for Club Racers

  • Lightweight Design: Low mass construction helps the shock respond more quickly to track inputs.
  • Enhanced Durability: Tough elastomer resists fatigue to extend maintenance intervals.
  • Compatibility: Cut to fit Yokomo SO/MO2.0 chassis for secure seating and effective sealing.
  • Performance Boost: Reduced friction inside the shock yields clearer feedback for setup adjustments.
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.

How do I check if these O-rings match my shock size?

Measure the internal diameter and groove width of your shock body and compare with the O-ring dimensions supplied; if they match the 13mm big bore spec these rings will fit.

Will switching to these O-rings stop minor oil weeping?

Properly seated, the improved sealing can reduce small leaks. If weeping continues check for damaged shock shafts or warped pistons which can also cause leaks.

Are spare O-rings included for multiple rebuilds?

The set includes two bottles so you have spare rings for several rebuilds, allowing you to replace worn seals without delay between events.

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