Yokomo S4-S18213 1.8mm Dual-Hole Shock Pistons for 13mm Dampers - Upgrade  [S4-S18213]

Yokomo S4-S18213 13Shock Piston 1.8x2x2.0mmfor SO/MO2.0
Price:
AUD$10.50
Brand:
Yokomo
Model:
S4-S18213
GTIN:
639342221943
Condition:
Brand New
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Yokomo S4-S18213 Precision Pistons for 13mm Dampers

Hobbyists looking to refine suspension feel will find the Yokomo S4-S18213 pistons useful. They fit 13mm dampers and use two 1.8mm openings to moderate oil flow for improved shock behaviour. These pistons are matched to the SOR-020 platform for a straightforward performance-focused swap.

Core Features of S4-S18213 Pistons

  • Precision Design: Dual 1.8mm holes regulate oil passage for smoother compression and rebound control.
  • Durable Construction: Made to stand up to regular racing and practice sessions.
  • Compatibility: Suits Yokomo SOR-020 and SOR-020D dampers for easy fitting.
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.

Do these pistons suit bumpy outdoor tracks?

They help smooth shock response over uneven surfaces by controlling oil flow, which can reduce unpredictable hopping and increase stability.

Will I need different shock oil with S4-S18213?

You can start with your usual oil weight, then adjust viscosity if you want slower or quicker damping reactions; changes depend on driving surface and style.

Are these pistons easy to fit at the track?

Yes, installation is straightforward if you take care to avoid trapping air and to line up the piston correctly on the shaft before sealing the shock.

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