Yokomo BM-S143A 1.4X3 Shock Piston Set Precision 3-Hole  [BM-S143A]

Yokomo BM-S143A 1.4X3 12 shock piston (Black)
Price:
£4.56
Brand:
Yokomo
Model:
BM-S143A
GTIN:
0639342205981
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Improve Turn-In with the Yokomo BM-S143A 1.4X3 Piston

Engineered for the B-MAX series, the Yokomo BM-S143A 1.4X3 shock piston has three 1.4mm metering holes that reduce the abruptness of the first part of the stroke compared with a two-hole piston. That smoother initial action makes the car simpler to place mid corner and can aid traction on variable grip surfaces. Suitable for model builders wanting a refined damping baseline.

Supported Models

  • B-YZ2CA
  • B-YZ2DT
  • B-YZ2DTM
  • B-YZ4SF
  • B-YZ2DTMW
  • B-YZ2DTM2
  • B-YZ2CAL2
  • B-YZ2T
  • B-YZ2DTM2S
  • B-YZ2DTM3
  • B-YZ2CAL3
  • B-YZ2DTM31-1
  • B-YZ2CAL31-1
  • SOR-010
  • ROR-010
  • ROR-010RTR
  • ROR-010RTR-1
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 effect does the 1.4X3 piston have on cornering?

The piston smooths the initial compression, which helps reduce snap oversteer and gives a more moderated weight transfer into the apex. Drivers typically find corner entry more manageable with small setup tweaks.

Can I fit BM-S143A to older B-MAX cars?

The part is compatible with many B-MAX series variants listed above. Check your shock piston bore and mounting method to ensure direct fitment before undertaking installation.

How do I test the impact of these pistons?

Trial runs on a familiar surface are best. Change only one variable at a time, such as oil weight or rebound, and compare lap consistency to assess how the 1.4X3 pistons affect handling.

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