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

Yokomo Z2-S172A X Shock piston (1.7x2 hole 2.0mm) for YZ-2/4 series
Price:
NZD$12.06
Brand:
Yokomo
Model:
Z2-S172A
GTIN:
0639342216963
Condition:
Brand New
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Fine Damping Component Overview

The Yokomo Z2-S172A element is a precision shock piston tailored for YZ-2/4 platforms. Its twin 1.7mm bleed ports and 2.0mm dimension allow concentrated control over oil flow, helping to stabilise rebound and compression behavior.

Chassis Compatibility Notes

This piston suits a range of Yokomo models such as SOR-010, B-YZ2DTM31-1, B-YZ2CAL31-1, ROR-010, ROR-010RTR, and ROR-010RTR-1, offering a straightforward way to harmonise suspension across several cars.
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.

What performance change can I expect?

You should notice cleaner weight transfer and reduced wallowing, since the smaller bleed holes give more predictable damping under braking and cornering.

Do I need different shock oil with this piston?

Many drivers step up one viscosity grade to compensate for reduced flow, but fine tuning is track dependent so test a couple of weights to find the best match.

Is installation difficult?

Installation is standard for Yokomo pistons; remove the shock shaft and endcap, swap the piston, and reassemble while ensuring the piston sits square on the shaft.

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