Yokomo S4-S182-25 Precision 13mm Shock Pistons 2.5mm Thick  [S4-S182-25]

Price:
CAD$9.64
Brand:
Yokomo
Model:
S4-S182-25
GTIN:
639342227556
Condition:
Brand New
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Precision Pistons to Improve Shock Control

If you want crisper damping and steadier handling, the Yokomo S4-S182-25 shock pistons are a practical upgrade. Built for 13mm big bore shocks, these pistons use a 2.5mm thickness and twin 1.8mm holes to manage oil flow and stabilise rebound and compression for better on-track consistency.

Main Specifications for Yokomo S4-S182-25

  • Thickness: 2.5mm for added rigidity and consistent damping response.
  • Hole Diameter: Dual 1.8mm holes to balance fluid transfer and valving feel.
  • Compatibility: Fits SOR-030 and MOR-020 style 13mm shock assemblies.
  • Package Includes: 2 pieces per set.
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.

Will these pistons work in other 13mm shocks?

They are made for 13mm big bore units and match SOR-030 and MOR-020 dimensions, so they can fit other 13mm systems that share the same internal bore and shaft clearance.

How does a 2.5mm piston change the feel compared to thinner pistons?

A thicker piston reduces flex and gives a firmer, more predictable damping curve, which helps with consistent handling on bumpy or high speed sections.

Any tips for installing these pistons?

Ensure piston orientation is correct, use compatible shock oil viscosity for your setup, and check for smooth shaft movement before sealing the shock to avoid binding.

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