Yokomo S4-S17213 Track-Tuned 13mm Shock Piston 1.7x2x2.0mm  [S4-S17213]

Yokomo S4-S17213 13Shock Piston 1.7x2x2.0mmfor SO/MO2.0
Price:
NZD$12.05
Brand:
Yokomo
Model:
S4-S17213
GTIN:
639342221936
Condition:
Brand New
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Dial-in Damping for 13mm Shock Bodies

The Yokomo S4-S17213 shock piston gives you finer control over suspension response on 13mm shocks. Its dual 1.7mm holes and sturdy 2.0mm construction let you make repeatable damping changes during setup sessions.

Made to Match SOR-020 and SOR-020D Vehicles

This piston is compatible with SOR-020 and SOR-020D chassis shock kits, allowing straightforward swaps and consistent behaviour across track runs. Use it to tune mid-corner stability and turn-in feel.
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 many pistons are supplied in the box

The kit includes two pistons so you can update both front or both rear dampers without buying extras.

What does the 1.7mm dual hole layout change

The twin 1.7mm ports moderate oil flow on compression and rebound, giving a firmer, more consistent feel compared with larger single port pistons.

Is installation difficult for home tuners

Installation is straightforward: disassemble the shock, swap the piston, and reassemble with the recommended oil. Check for smooth shaft travel after refit.

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