Yokomo Z2-S172A Shock Piston 1.7x2 Hole 2.0mm for YZ-2/4 - Track Tuner  [Z2-S172A]

Yokomo Z2-S172A X Shock piston (1.7x2 hole 2.0mm) for YZ-2/4 series
Price:
CAD$9.64
Brand:
Yokomo
Model:
Z2-S172A
GTIN:
0639342216963
Condition:
Brand New
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Track-Focused Shock Piston Details

The Yokomo Z2-S172A shock piston is machined for precise damping control on YZ-2/4 series cars. With a pair of 1.7mm bleed holes and a 2.0mm wall profile, this piston helps dial in rebound and compression for improved steering response on high-grip surfaces.

Fits Multiple Yokomo Chassis

This piston is compatible with several Yokomo chassis including SOR-010, B-YZ2DTM31-1, B-YZ2CAL31-1, ROR-010, ROR-010RTR, and ROR-010RTR-1. Its cross-model fitment makes it a handy upgrade for racers running different layouts.
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 does the 1.7x2 hole pattern affect damping?

The dual 1.7mm holes limit oil flow to produce firmer damping compared to larger ports, giving crisper body control and more predictable responses through corners.

Will this piston work with my YZ-2/4 shocks?

Yes, the Z2-S172A fits the YZ-2/4 shock bodies listed and is a direct swap in most standard Yokomo assemblies noted above.

Any tips for setting up with this piston?

Start with your usual shock oil and adjust viscosity stepwise; this piston favors slightly heavier oil for more consistent damping, then tune ride height and spring rates to match.

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