Yokomo Z2-S172A Shock Piston 1.7x2 Hole 2.0mm for YZ-2/4 - Race Setup Part  [Z2-S172A]

Yokomo Z2-S172A X Shock piston (1.7x2 hole 2.0mm) for YZ-2/4 series
Price:
£5.25
Brand:
Yokomo
Model:
Z2-S172A
GTIN:
0639342216963
Condition:
Brand New
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Suspension Tuning Component Summary

The Yokomo Z2-S172A shock piston provides controlled oil metering for YZ-2/4 series cars. Its two 1.7mm ports and 2.0mm dimension offer a reliable baseline for adjusting compression and rebound characteristics.

Supported Yokomo Models

This piston fits multiple Yokomo platforms including SOR-010, B-YZ2DTM31-1, B-YZ2CAL31-1, ROR-010, ROR-010RTR, and ROR-010RTR-1, making it a convenient choice for teams running a mix of 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.

How should I change oil when fitting this piston?

Try a slightly thicker oil than your baseline to balance the reduced flow; run controlled tests to compare lap to lap behaviour and adjust accordingly.

Is this piston durable for regular use?

When kept clean and installed correctly, the piston provides consistent service. Regular inspection for wear and keeping oil contaminants out will extend lifespan.

Will it alter my ride height?

The piston itself does not change ride height, but changes in damping can influence body attitude; retune springs and droop as needed after installation.

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